diff --git a/integration-tests/Cargo.lock b/integration-tests/Cargo.lock
index 63b6566d9..ef51b0fe7 100644
--- a/integration-tests/Cargo.lock
+++ b/integration-tests/Cargo.lock
@@ -1025,7 +1025,7 @@ checksum = "32637268377fc7b10a8c6d51de3e7fba1ce5dd371a96e342b34e6078db558e7f"
 [[package]]
 name = "binary_sv2"
 version = "7.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "buffer_sv2",
  "derive_codec_sv2",
@@ -1210,7 +1210,7 @@ dependencies = [
 [[package]]
 name = "buffer_sv2"
 version = "3.0.1"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "aes-gcm",
 ]
@@ -1347,7 +1347,7 @@ dependencies = [
 [[package]]
 name = "channels_sv2"
 version = "8.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
  "bitcoin",
@@ -1460,7 +1460,7 @@ dependencies = [
 [[package]]
 name = "codec_sv2"
 version = "7.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
  "buffer_sv2",
@@ -1489,7 +1489,7 @@ dependencies = [
 [[package]]
 name = "common_messages_sv2"
 version = "9.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
 ]
@@ -1790,7 +1790,7 @@ dependencies = [
 [[package]]
 name = "derive_codec_sv2"
 version = "2.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 
 [[package]]
 name = "digest"
@@ -1969,7 +1969,7 @@ dependencies = [
 [[package]]
 name = "extensions_sv2"
 version = "0.3.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
 ]
@@ -2042,7 +2042,7 @@ dependencies = [
 [[package]]
 name = "framing_sv2"
 version = "8.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
  "buffer_sv2",
@@ -2263,7 +2263,7 @@ dependencies = [
 [[package]]
 name = "handlers_sv2"
 version = "0.6.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
  "common_messages_sv2",
@@ -2826,7 +2826,7 @@ dependencies = [
 [[package]]
 name = "job_declaration_sv2"
 version = "10.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
 ]
@@ -3071,7 +3071,7 @@ checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
 [[package]]
 name = "mining_sv2"
 version = "12.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
 ]
@@ -3124,7 +3124,7 @@ dependencies = [
 [[package]]
 name = "noise_sv2"
 version = "2.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "chacha20poly1305",
  "rand 0.8.6",
@@ -3285,7 +3285,7 @@ dependencies = [
 [[package]]
 name = "parsers_sv2"
 version = "0.6.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
  "common_messages_sv2",
@@ -4398,7 +4398,7 @@ dependencies = [
 [[package]]
 name = "stratum-core"
 version = "0.6.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
  "bitcoin",
@@ -4421,7 +4421,7 @@ dependencies = [
 [[package]]
 name = "stratum_translation"
 version = "0.5.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
  "bitcoin",
@@ -4468,7 +4468,7 @@ checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
 [[package]]
 name = "sv1_api"
 version = "6.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
  "bitcoin",
@@ -4536,7 +4536,7 @@ dependencies = [
 [[package]]
 name = "template_distribution_sv2"
 version = "7.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
 ]
diff --git a/integration-tests/tests/jd_integration.rs b/integration-tests/tests/jd_integration.rs
index 4684aa0d1..1893c17d2 100644
--- a/integration-tests/tests/jd_integration.rs
+++ b/integration-tests/tests/jd_integration.rs
@@ -262,6 +262,124 @@ async fn jds_reject_setup_connection_without_declare_tx_data_flag() {
     shutdown_all!(pool);
 }
 
+// This test verifies that JDS rejects SetupConnection requesting only protocol version 3,
+// since JDS only supports version 2, responding with a SetupConnectionError carrying the
+// protocol-version-mismatch error code.
+#[tokio::test]
+async fn jds_reject_setup_connection_with_unsupported_version() {
+    start_tracing();
+    let (tp, _tp_addr) = start_template_provider(None, DifficultyLevel::Low);
+    let (pool, _pool_addr, jds_addr, _) =
+        start_pool_with_jds(tp.bitcoin_core(), vec![], vec![], false).await;
+    let (sniffer, sniffer_addr) = start_sniffer("mock-jds", jds_addr, false, vec![], None);
+    let _mock_downstream = MockDownstream::new(
+        sniffer_addr,
+        WithSetup::yes(SetupConnectionOwned {
+            protocol: Protocol::JobDeclarationProtocol,
+            min_version: 3,
+            max_version: 3,
+            flags: 0,
+            endpoint_host: "0.0.0.0".try_into().unwrap(),
+            endpoint_port: 0,
+            vendor: "integration-test".try_into().unwrap(),
+            hardware_version: "".try_into().unwrap(),
+            firmware: "".try_into().unwrap(),
+            device_id: "".try_into().unwrap(),
+        }),
+    )
+    .start()
+    .await;
+
+    sniffer
+        .wait_for_message_type(MessageDirection::ToUpstream, MESSAGE_TYPE_SETUP_CONNECTION)
+        .await;
+    sniffer
+        .wait_for_message_type(
+            MessageDirection::ToDownstream,
+            MESSAGE_TYPE_SETUP_CONNECTION_ERROR,
+        )
+        .await;
+
+    let setup_connection_error = sniffer.next_message_from_upstream();
+    let setup_connection_error = match setup_connection_error {
+        Some((
+            _,
+            AnyMessageOwned::Common(parsers_sv2::CommonMessagesOwned::SetupConnectionError(msg)),
+        )) => msg,
+        msg => panic!("Expected SetupConnectionError message, found: {:?}", msg),
+    };
+    assert_eq!(
+        setup_connection_error.error_code.as_utf8_or_hex(),
+        ERROR_CODE_SETUP_CONNECTION_PROTOCOL_VERSION_MISMATCH,
+        "SetupConnectionError message error code should be protocol-version-mismatch"
+    );
+
+    shutdown_all!(pool);
+}
+
+// This test verifies that JDC rejects a downstream SetupConnection requesting only protocol
+// version 3, since JDC only supports version 2 on its downstream interface, responding with a
+// SetupConnectionError carrying the protocol-version-mismatch error code.
+#[tokio::test]
+async fn jdc_reject_downstream_setup_connection_with_unsupported_version() {
+    start_tracing();
+    let (tp, tp_addr) = start_template_provider(None, DifficultyLevel::Low);
+    let (pool, pool_addr, jds_addr, _) =
+        start_pool_with_jds(tp.bitcoin_core(), vec![], vec![], false).await;
+    let (jdc, jdc_addr, _) = start_jdc(
+        &[(pool_addr, jds_addr)],
+        sv2_tp_config(tp_addr),
+        vec![],
+        vec![],
+        false,
+        None,
+    );
+    let (sniffer, sniffer_addr) = start_sniffer("mock-jdc", jdc_addr, false, vec![], None);
+    let _mock_downstream = MockDownstream::new(
+        sniffer_addr,
+        WithSetup::yes(SetupConnectionOwned {
+            protocol: Protocol::MiningProtocol,
+            min_version: 3,
+            max_version: 3,
+            flags: 0,
+            endpoint_host: "0.0.0.0".try_into().unwrap(),
+            endpoint_port: 0,
+            vendor: "integration-test".try_into().unwrap(),
+            hardware_version: "".try_into().unwrap(),
+            firmware: "".try_into().unwrap(),
+            device_id: "".try_into().unwrap(),
+        }),
+    )
+    .start()
+    .await;
+
+    sniffer
+        .wait_for_message_type(MessageDirection::ToUpstream, MESSAGE_TYPE_SETUP_CONNECTION)
+        .await;
+    sniffer
+        .wait_for_message_type(
+            MessageDirection::ToDownstream,
+            MESSAGE_TYPE_SETUP_CONNECTION_ERROR,
+        )
+        .await;
+
+    let setup_connection_error = sniffer.next_message_from_upstream();
+    let setup_connection_error = match setup_connection_error {
+        Some((
+            _,
+            AnyMessageOwned::Common(parsers_sv2::CommonMessagesOwned::SetupConnectionError(msg)),
+        )) => msg,
+        msg => panic!("Expected SetupConnectionError message, found: {:?}", msg),
+    };
+    assert_eq!(
+        setup_connection_error.error_code.as_utf8_or_hex(),
+        ERROR_CODE_SETUP_CONNECTION_PROTOCOL_VERSION_MISMATCH,
+        "SetupConnectionError message error code should be protocol-version-mismatch"
+    );
+
+    shutdown_all!(jdc, pool);
+}
+
 #[tokio::test]
 async fn jdc_coinbase_only_mode_rejected_by_jds() {
     start_tracing();
diff --git a/integration-tests/tests/pool_integration.rs b/integration-tests/tests/pool_integration.rs
index 6b4fd5f3b..c7dada5dd 100644
--- a/integration-tests/tests/pool_integration.rs
+++ b/integration-tests/tests/pool_integration.rs
@@ -454,6 +454,56 @@ async fn pool_reject_setup_connection_with_non_mining_protocol() {
     shutdown_all!(translator, pool);
 }
 
+// The test runs a pool and a mock downstream that sends a SetupConnection message requesting
+// only protocol version 3. Since the pool only supports version 2, this test asserts that the
+// pool responds with a SetupConnectionError carrying the protocol-version-mismatch error code.
+#[tokio::test]
+async fn pool_reject_setup_connection_with_unsupported_version() {
+    start_tracing();
+    let (_tp, tp_addr) = start_template_provider(None, DifficultyLevel::Low);
+    let (pool, pool_addr, _) = start_pool(sv2_tp_config(tp_addr), vec![], vec![], false).await;
+    let (sniffer, sniffer_addr) = start_sniffer("0", pool_addr, false, vec![], None);
+    let _mock_downstream = MockDownstream::new(
+        sniffer_addr,
+        WithSetup::yes(SetupConnectionOwned {
+            protocol: Protocol::MiningProtocol,
+            min_version: 3,
+            max_version: 3,
+            flags: 0,
+            endpoint_host: "0.0.0.0".try_into().unwrap(),
+            endpoint_port: 0,
+            vendor: "integration-test".try_into().unwrap(),
+            hardware_version: "".try_into().unwrap(),
+            firmware: "".try_into().unwrap(),
+            device_id: "".try_into().unwrap(),
+        }),
+    )
+    .start()
+    .await;
+
+    sniffer
+        .wait_for_message_type(MessageDirection::ToUpstream, MESSAGE_TYPE_SETUP_CONNECTION)
+        .await;
+    sniffer
+        .wait_for_message_type(
+            MessageDirection::ToDownstream,
+            MESSAGE_TYPE_SETUP_CONNECTION_ERROR,
+        )
+        .await;
+
+    let setup_connection_error = sniffer.next_message_from_upstream();
+    let setup_connection_error = match setup_connection_error {
+        Some((_, AnyMessageOwned::Common(CommonMessagesOwned::SetupConnectionError(msg)))) => msg,
+        msg => panic!("Expected SetupConnectionError message, found: {:?}", msg),
+    };
+    assert_eq!(
+        setup_connection_error.error_code.as_utf8_or_hex(),
+        ERROR_CODE_SETUP_CONNECTION_PROTOCOL_VERSION_MISMATCH,
+        "SetupConnectionError message error code should be protocol-version-mismatch"
+    );
+    shutdown_all!(pool);
+}
+
 // This test verifies that pool rejects SetCustomMiningJob when it is started without embedded JDS
 // (`start_pool` with no `[jds]` config).
 #[tokio::test]
diff --git a/miner-apps/Cargo.lock b/miner-apps/Cargo.lock
index 4f0a88eab..730a33fe9 100644
--- a/miner-apps/Cargo.lock
+++ b/miner-apps/Cargo.lock
@@ -839,7 +839,7 @@ checksum = "32637268377fc7b10a8c6d51de3e7fba1ce5dd371a96e342b34e6078db558e7f"
 [[package]]
 name = "binary_sv2"
 version = "7.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "buffer_sv2",
  "derive_codec_sv2",
@@ -1005,7 +1005,7 @@ dependencies = [
 [[package]]
 name = "buffer_sv2"
 version = "3.0.1"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "aes-gcm",
 ]
@@ -1136,7 +1136,7 @@ dependencies = [
 [[package]]
 name = "channels_sv2"
 version = "8.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
  "bitcoin",
@@ -1228,7 +1228,7 @@ dependencies = [
 [[package]]
 name = "codec_sv2"
 version = "7.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
  "buffer_sv2",
@@ -1266,7 +1266,7 @@ dependencies = [
 [[package]]
 name = "common_messages_sv2"
 version = "9.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
 ]
@@ -1476,7 +1476,7 @@ dependencies = [
 [[package]]
 name = "derive_codec_sv2"
 version = "2.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 
 [[package]]
 name = "digest"
@@ -1644,7 +1644,7 @@ checksum = "0206175f82b8d6bf6652ff7d71a1e27fd2e4efde587fd368662814d6ec1d9ce0"
 [[package]]
 name = "extensions_sv2"
 version = "0.3.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
 ]
@@ -1712,7 +1712,7 @@ dependencies = [
 [[package]]
 name = "framing_sv2"
 version = "8.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
  "buffer_sv2",
@@ -1883,7 +1883,7 @@ dependencies = [
 [[package]]
 name = "handlers_sv2"
 version = "0.6.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
  "common_messages_sv2",
@@ -2405,7 +2405,7 @@ dependencies = [
 [[package]]
 name = "job_declaration_sv2"
 version = "10.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
 ]
@@ -2597,7 +2597,7 @@ checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
 [[package]]
 name = "mining_sv2"
 version = "12.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
 ]
@@ -2637,7 +2637,7 @@ dependencies = [
 [[package]]
 name = "noise_sv2"
 version = "2.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "chacha20poly1305",
  "rand 0.8.5",
@@ -2766,7 +2766,7 @@ dependencies = [
 [[package]]
 name = "parsers_sv2"
 version = "0.6.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
  "common_messages_sv2",
@@ -3770,7 +3770,7 @@ dependencies = [
 [[package]]
 name = "stratum-core"
 version = "0.6.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
  "bitcoin",
@@ -3793,7 +3793,7 @@ dependencies = [
 [[package]]
 name = "stratum_translation"
 version = "0.5.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
  "bitcoin",
@@ -3840,7 +3840,7 @@ checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
 [[package]]
 name = "sv1_api"
 version = "6.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
  "bitcoin",
@@ -3896,7 +3896,7 @@ checksum = "adb6935a6f5c20170eeceb1a3835a49e12e19d792f6dd344ccc76a985ca5a6ca"
 [[package]]
 name = "template_distribution_sv2"
 version = "7.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
 ]
diff --git a/miner-apps/jd-client/src/lib/downstream/common_message_handler.rs b/miner-apps/jd-client/src/lib/downstream/common_message_handler.rs
index ccd3f07b6..21568dbb4 100644
--- a/miner-apps/jd-client/src/lib/downstream/common_message_handler.rs
+++ b/miner-apps/jd-client/src/lib/downstream/common_message_handler.rs
@@ -8,6 +8,7 @@ use stratum_apps::monitoring::client::Sv2ClientKind;
 use stratum_apps::{
     stratum_core::{
         common_messages_sv2::{
+            ERROR_CODE_SETUP_CONNECTION_PROTOCOL_VERSION_MISMATCH,
             ERROR_CODE_SETUP_CONNECTION_UNSUPPORTED_FEATURE_FLAGS,
             ERROR_CODE_SETUP_CONNECTION_UNSUPPORTED_PROTOCOL, Protocol, SetupConnectionErrorOwned,
             SetupConnectionOwned, SetupConnectionSuccess, has_requires_std_job, has_work_selection,
@@ -15,7 +16,7 @@ use stratum_apps::{
         handlers_sv2::HandleCommonMessagesFromClientOwnedAsync,
         parsers_sv2::{AnyMessageOwned, Tlv},
     },
-    utils::types::Sv2Frame,
+    utils::types::{SUPPORTED_PROTOCOL_VERSION, Sv2Frame},
 };
 use tracing::{error, info};
 
@@ -39,16 +40,22 @@ impl HandleCommonMessagesFromClientOwnedAsync for Downstream {
     //    - If the client requests another protocol, the connection is rejected with a
     //      [`SetupConnectionError`] (`unsupported-protocol`).
     //
-    // 2. Feature flag validation
+    // 2. Protocol version validation
+    //    - The supported version (2) must fall within the client's requested
+    //      `[min_version, max_version]` range.
+    //    - Otherwise, the connection is rejected with a [`SetupConnectionError`]
+    //      (`protocol-version-mismatch`).
+    //
+    // 3. Feature flag validation
     //    - Work selection (`work_selection`) is not allowed.
     //    - If requested, the connection is rejected with a [`SetupConnectionError`]
     //      (`unsupported-feature-flags`).
     //
-    // 3. Standard job requirement
+    // 4. Standard job requirement
     //    - If the downstream sets the `requires_standard_job` flag, it is recorded in
     //      [`Downstream::require_std_job`].
     //
-    // 4. Successful setup
+    // 5. Successful setup
     //    - If all validations pass, a [`SetupConnectionSuccess`] message is
     async fn handle_setup_connection(
         &mut self,
@@ -85,6 +92,36 @@ impl HandleCommonMessagesFromClientOwnedAsync for Downstream {
             ));
         }
 
+        if SUPPORTED_PROTOCOL_VERSION < msg.min_version
+            || SUPPORTED_PROTOCOL_VERSION > msg.max_version
+        {
+            info!(
+                "Rejecting connection: no supported protocol version in requested range [{}, {}] (supported: {SUPPORTED_PROTOCOL_VERSION}).",
+                msg.min_version, msg.max_version
+            );
+            let response = SetupConnectionErrorOwned {
+                flags: 0,
+                error_code: ERROR_CODE_SETUP_CONNECTION_PROTOCOL_VERSION_MISMATCH
+                    .to_string()
+                    .try_into()
+                    .map_err(JDCError::shutdown)?,
+            };
+            let frame: Sv2Frame = AnyMessageOwned::Common(response.into())
+                .try_into()
+                .map_err(JDCError::shutdown)?;
+            if let Err(e) = self.downstream_io.downstream_sender.send(frame).await {
+                error!(
+                    "Failed to send SetupConnectionError to downstream {}: {e}",
+                    self.downstream_id
+                );
+            }
+
+            return Err(JDCError::disconnect(
+                JDCErrorKind::SetupConnectionError,
+                self.downstream_id,
+            ));
+        }
+
         if has_work_selection(msg.flags) {
             info!("Rejecting: work selection not allowed.");
             let response = SetupConnectionErrorOwned {
@@ -127,7 +164,7 @@ impl HandleCommonMessagesFromClientOwnedAsync for Downstream {
         }
 
         let response = SetupConnectionSuccess {
-            used_version: 2,
+            used_version: SUPPORTED_PROTOCOL_VERSION,
             flags: 0, // !REQUIRES_FIXED_VERSION, !REQUIRES_EXTENDED_CHANNELS
         };
         let frame: Sv2Frame = AnyMessageOwned::Common(response.into())
diff --git a/pool-apps/Cargo.lock b/pool-apps/Cargo.lock
index ba0ab94f8..78fde5780 100644
--- a/pool-apps/Cargo.lock
+++ b/pool-apps/Cargo.lock
@@ -273,7 +273,7 @@ checksum = "32637268377fc7b10a8c6d51de3e7fba1ce5dd371a96e342b34e6078db558e7f"
 [[package]]
 name = "binary_sv2"
 version = "7.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "buffer_sv2",
  "derive_codec_sv2",
@@ -430,7 +430,7 @@ dependencies = [
 [[package]]
 name = "buffer_sv2"
 version = "3.0.1"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "aes-gcm",
 ]
@@ -542,7 +542,7 @@ dependencies = [
 [[package]]
 name = "channels_sv2"
 version = "8.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
  "bitcoin",
@@ -612,7 +612,7 @@ checksum = "c8d4a3bb8b1e0c1050499d1815f5ab16d04f0959b233085fb31653fbfc9d98f9"
 [[package]]
 name = "codec_sv2"
 version = "7.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
  "buffer_sv2",
@@ -640,7 +640,7 @@ dependencies = [
 [[package]]
 name = "common_messages_sv2"
 version = "9.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
 ]
@@ -808,7 +808,7 @@ dependencies = [
 [[package]]
 name = "derive_codec_sv2"
 version = "2.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 
 [[package]]
 name = "digest"
@@ -937,7 +937,7 @@ checksum = "0206175f82b8d6bf6652ff7d71a1e27fd2e4efde587fd368662814d6ec1d9ce0"
 [[package]]
 name = "extensions_sv2"
 version = "0.3.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
 ]
@@ -998,7 +998,7 @@ dependencies = [
 [[package]]
 name = "framing_sv2"
 version = "8.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
  "buffer_sv2",
@@ -1133,7 +1133,7 @@ dependencies = [
 [[package]]
 name = "handlers_sv2"
 version = "0.6.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
  "common_messages_sv2",
@@ -1533,7 +1533,7 @@ dependencies = [
 [[package]]
 name = "job_declaration_sv2"
 version = "10.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
 ]
@@ -1653,7 +1653,7 @@ checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
 [[package]]
 name = "mining_sv2"
 version = "12.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
 ]
@@ -1693,7 +1693,7 @@ dependencies = [
 [[package]]
 name = "noise_sv2"
 version = "2.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "chacha20poly1305",
  "rand",
@@ -1816,7 +1816,7 @@ dependencies = [
 [[package]]
 name = "parsers_sv2"
 version = "0.6.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
  "common_messages_sv2",
@@ -2475,7 +2475,7 @@ dependencies = [
 [[package]]
 name = "stratum-core"
 version = "0.6.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
  "bitcoin",
@@ -2542,7 +2542,7 @@ checksum = "55937e1799185b12863d447f42597ed69d9928686b8d88a1df17376a097d8369"
 [[package]]
 name = "template_distribution_sv2"
 version = "7.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
 ]
diff --git a/pool-apps/jd-server/src/lib/error.rs b/pool-apps/jd-server/src/lib/error.rs
index b8aa313c7..1fba17aaa 100644
--- a/pool-apps/jd-server/src/lib/error.rs
+++ b/pool-apps/jd-server/src/lib/error.rs
@@ -117,6 +117,7 @@ pub enum JDSErrorKind {
     PendingDeclareMiningJobNotFound(RequestId),
     UnsupportedProtocol,
     UnsupportedConnectionFlags,
+    ProtocolVersionMismatch,
     OneshotRecv(tokio::sync::oneshot::error::RecvError),
     InvalidConfig(String),
     PoisonLock,
diff --git a/pool-apps/jd-server/src/lib/job_declarator/downstream/common_message_handler.rs b/pool-apps/jd-server/src/lib/job_declarator/downstream/common_message_handler.rs
index 6940fb385..01bd95195 100644
--- a/pool-apps/jd-server/src/lib/job_declarator/downstream/common_message_handler.rs
+++ b/pool-apps/jd-server/src/lib/job_declarator/downstream/common_message_handler.rs
@@ -7,13 +7,14 @@ use stratum_apps::{
     stratum_core::{
         common_messages_sv2::{
             ERROR_CODE_SETUP_CONNECTION_MISSING_DECLARE_TX_DATA_FLAG,
+            ERROR_CODE_SETUP_CONNECTION_PROTOCOL_VERSION_MISMATCH,
             ERROR_CODE_SETUP_CONNECTION_UNSUPPORTED_PROTOCOL, Protocol, SetupConnectionErrorOwned,
             SetupConnectionOwned, SetupConnectionSuccess,
         },
         handlers_sv2::HandleCommonMessagesFromClientOwnedAsync,
         parsers_sv2::{AnyMessageOwned, Tlv},
     },
-    utils::types::Sv2Frame,
+    utils::types::{SUPPORTED_PROTOCOL_VERSION, Sv2Frame},
 };
 use tracing::info;
 
@@ -35,8 +36,8 @@ impl HandleCommonMessagesFromClientOwnedAsync for Downstream {
         _tlv_fields: Option<&[Tlv]>,
     ) -> Result<(), Self::Error> {
         info!(
-            "Received `SetupConnection`: version={}, flags={:b}",
-            msg.min_version, msg.flags
+            "Received `SetupConnection`: min_version={}, max_version={}, flags={:b}",
+            msg.min_version, msg.max_version, msg.flags
         );
 
         let downstream_id = client_id.expect("downstream id should be present");
@@ -67,6 +68,35 @@ impl HandleCommonMessagesFromClientOwnedAsync for Downstream {
             ));
         }
 
+        if SUPPORTED_PROTOCOL_VERSION < msg.min_version
+            || SUPPORTED_PROTOCOL_VERSION > msg.max_version
+        {
+            info!(
+                "Rejecting connection from {downstream_id}: no supported protocol version in requested range [{}, {}] (supported: {SUPPORTED_PROTOCOL_VERSION}).",
+                msg.min_version, msg.max_version
+            );
+            let response = SetupConnectionErrorOwned {
+                flags: 0,
+                error_code: ERROR_CODE_SETUP_CONNECTION_PROTOCOL_VERSION_MISMATCH
+                    .to_string()
+                    .try_into()
+                    .map_err(JDSError::shutdown)?,
+            };
+            let frame: Sv2Frame = AnyMessageOwned::Common(response.into())
+                .try_into()
+                .map_err(JDSError::shutdown)?;
+            self.downstream_io
+                .to_downstream_sender
+                .send(frame)
+                .await
+                .map_err(|e| JDSError::disconnect(e, downstream_id))?;
+
+            return Err(JDSError::disconnect(
+                JDSErrorKind::ProtocolVersionMismatch,
+                downstream_id,
+            ));
+        }
+
         // todo: add this to `common_messages_sv2`
         // see https://github.com/stratum-mining/stratum/issues/2117
         let has_declare_tx_data = {
@@ -102,7 +132,7 @@ impl HandleCommonMessagesFromClientOwnedAsync for Downstream {
         }
 
         let response = SetupConnectionSuccess {
-            used_version: 2,
+            used_version: SUPPORTED_PROTOCOL_VERSION,
             flags: 0,
         };
         let frame: Sv2Frame = AnyMessageOwned::Common(response.into())
diff --git a/pool-apps/pool/src/lib/downstream/common_message_handler.rs b/pool-apps/pool/src/lib/downstream/common_message_handler.rs
index 95b5ea05c..0e8c457eb 100644
--- a/pool-apps/pool/src/lib/downstream/common_message_handler.rs
+++ b/pool-apps/pool/src/lib/downstream/common_message_handler.rs
@@ -6,13 +6,14 @@ use std::{convert::TryInto, sync::atomic::Ordering};
 use stratum_apps::{
     stratum_core::{
         common_messages_sv2::{
+            ERROR_CODE_SETUP_CONNECTION_PROTOCOL_VERSION_MISMATCH,
             ERROR_CODE_SETUP_CONNECTION_UNSUPPORTED_PROTOCOL, Protocol, SetupConnectionErrorOwned,
             SetupConnectionOwned, SetupConnectionSuccess, has_requires_std_job, has_work_selection,
         },
         handlers_sv2::HandleCommonMessagesFromClientOwnedAsync,
         parsers_sv2::{AnyMessageOwned, Tlv},
     },
-    utils::types::Sv2Frame,
+    utils::types::{SUPPORTED_PROTOCOL_VERSION, Sv2Frame},
 };
 use tracing::info;
 
@@ -36,8 +37,8 @@ impl HandleCommonMessagesFromClientOwnedAsync for Downstream {
         _tlv_fields: Option<&[Tlv]>,
     ) -> Result<(), Self::Error> {
         info!(
-            "Received `SetupConnection`: version={}, flags={:b}",
-            msg.min_version, msg.flags
+            "Received `SetupConnection`: min_version={}, max_version={}, flags={:b}",
+            msg.min_version, msg.max_version, msg.flags
         );
 
         let downstream_id = client_id.expect("downstream id should be present");
@@ -70,6 +71,37 @@ impl HandleCommonMessagesFromClientOwnedAsync for Downstream {
             ));
         }
 
+        if SUPPORTED_PROTOCOL_VERSION < msg.min_version
+            || SUPPORTED_PROTOCOL_VERSION > msg.max_version
+        {
+            info!(
+                "Rejecting connection from {downstream_id}: no supported protocol version in requested range [{}, {}] (supported: {SUPPORTED_PROTOCOL_VERSION}).",
+                msg.min_version, msg.max_version
+            );
+            let response = SetupConnectionErrorOwned {
+                flags: 0,
+                error_code: ERROR_CODE_SETUP_CONNECTION_PROTOCOL_VERSION_MISMATCH
+                    .to_string()
+                    .try_into()
+                    .expect("error code must be valid string"),
+            };
+            let frame: Sv2Frame = AnyMessageOwned::Common(response.into())
+                .try_into()
+                .map_err(PoolError::shutdown)?;
+            self.downstream_io
+                .downstream_sender
+                .send(frame)
+                .await
+                .map_err(|_| {
+                    PoolError::disconnect(PoolErrorKind::ChannelErrorSender, downstream_id)
+                })?;
+
+            return Err(PoolError::disconnect(
+                PoolErrorKind::SetupConnectionError,
+                downstream_id,
+            ));
+        }
+
         self.requires_custom_work
             .store(has_work_selection(msg.flags), Ordering::SeqCst);
         self.requires_standard_jobs
@@ -89,7 +121,7 @@ impl HandleCommonMessagesFromClientOwnedAsync for Downstream {
             response_flags |= 0x02; // REQUIRES_EXTENDED_CHANNELS
         }
         let response = SetupConnectionSuccess {
-            used_version: 2,
+            used_version: SUPPORTED_PROTOCOL_VERSION,
             flags: response_flags,
         };
         let frame: Sv2Frame = AnyMessageOwned::Common(response.into())
diff --git a/stratum-apps/Cargo.lock b/stratum-apps/Cargo.lock
index a36f8e9b2..a63f822e2 100644
--- a/stratum-apps/Cargo.lock
+++ b/stratum-apps/Cargo.lock
@@ -774,7 +774,7 @@ checksum = "32637268377fc7b10a8c6d51de3e7fba1ce5dd371a96e342b34e6078db558e7f"
 [[package]]
 name = "binary_sv2"
 version = "7.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "buffer_sv2",
  "derive_codec_sv2",
@@ -940,7 +940,7 @@ dependencies = [
 [[package]]
 name = "buffer_sv2"
 version = "3.0.1"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "aes-gcm",
 ]
@@ -1071,7 +1071,7 @@ dependencies = [
 [[package]]
 name = "channels_sv2"
 version = "8.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
  "bitcoin",
@@ -1117,7 +1117,7 @@ dependencies = [
 [[package]]
 name = "codec_sv2"
 version = "7.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
  "buffer_sv2",
@@ -1140,7 +1140,7 @@ dependencies = [
 [[package]]
 name = "common_messages_sv2"
 version = "9.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
 ]
@@ -1341,7 +1341,7 @@ dependencies = [
 [[package]]
 name = "derive_codec_sv2"
 version = "2.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 
 [[package]]
 name = "digest"
@@ -1482,7 +1482,7 @@ checksum = "0206175f82b8d6bf6652ff7d71a1e27fd2e4efde587fd368662814d6ec1d9ce0"
 [[package]]
 name = "extensions_sv2"
 version = "0.3.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
 ]
@@ -1540,7 +1540,7 @@ dependencies = [
 [[package]]
 name = "framing_sv2"
 version = "8.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
  "buffer_sv2",
@@ -1711,7 +1711,7 @@ dependencies = [
 [[package]]
 name = "handlers_sv2"
 version = "0.6.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
  "common_messages_sv2",
@@ -2140,7 +2140,7 @@ dependencies = [
 [[package]]
 name = "job_declaration_sv2"
 version = "10.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
 ]
@@ -2328,7 +2328,7 @@ checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
 [[package]]
 name = "mining_sv2"
 version = "12.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
 ]
@@ -2368,7 +2368,7 @@ dependencies = [
 [[package]]
 name = "noise_sv2"
 version = "2.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "chacha20poly1305",
  "rand 0.8.5",
@@ -2491,7 +2491,7 @@ dependencies = [
 [[package]]
 name = "parsers_sv2"
 version = "0.6.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
  "common_messages_sv2",
@@ -3441,7 +3441,7 @@ dependencies = [
 [[package]]
 name = "stratum-core"
 version = "0.6.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
  "bitcoin",
@@ -3464,7 +3464,7 @@ dependencies = [
 [[package]]
 name = "stratum_translation"
 version = "0.5.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
  "bitcoin",
@@ -3505,7 +3505,7 @@ checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
 [[package]]
 name = "sv1_api"
 version = "6.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
  "bitcoin",
@@ -3561,7 +3561,7 @@ checksum = "adb6935a6f5c20170eeceb1a3835a49e12e19d792f6dd344ccc76a985ca5a6ca"
 [[package]]
 name = "template_distribution_sv2"
 version = "7.0.0"
-source = "git+https://github.com/stratum-mining/stratum?branch=main#9b0454ec30e69912732eaee8312e75000b514215"
+source = "git+https://github.com/stratum-mining/stratum?branch=main#be9ce53498ebcd7e5b89341e950687c3a14b54dc"
 dependencies = [
  "binary_sv2",
 ]
diff --git a/stratum-apps/src/utils/types.rs b/stratum-apps/src/utils/types.rs
index 5676181de..a37fcdc40 100644
--- a/stratum-apps/src/utils/types.rs
+++ b/stratum-apps/src/utils/types.rs
@@ -2,6 +2,9 @@ use stratum_core::{codec_sv2::StandardSv2Frame, parsers_sv2::AnyMessageOwned};
 
 pub const GRACEFUL_SHUTDOWN_TIMEOUT_SECONDS: u64 = 5;
 
+/// The SV2 protocol version supported by the apps in this workspace.
+pub const SUPPORTED_PROTOCOL_VERSION: u16 = 2;
+
 pub type TemplateId = u64;
 pub type UpstreamJobId = u32;
 pub type JobId = u32;