diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index d4e9c6c6d..3fadfa5a5 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -40,7 +40,7 @@ jobs:
         path: ./malachite
 
     - name: Install Rust 1.95.0
-      uses: dtolnay/rust-toolchain@1.95.0
+      uses: dtolnay/rust-toolchain@1.100.0
 
     - name: Cache cargo registry + target
       uses: Swatinem/rust-cache@v2
diff --git a/.github/workflows/verify-impl.yml b/.github/workflows/verify-impl.yml
index 1ad24de45..3bc7a22a0 100644
--- a/.github/workflows/verify-impl.yml
+++ b/.github/workflows/verify-impl.yml
@@ -44,7 +44,7 @@ jobs:
           find ./malachite -type f -not -path '*/.git/*' -exec touch -d "$commit_ts" {} +
 
       - name: Install Rust 1.95.0
-        uses: dtolnay/rust-toolchain@1.95.0
+        uses: dtolnay/rust-toolchain@1.100.0
         with:
           components: rustfmt, llvm-tools-preview