diff --git a/go.mod b/go.mod
index 4fef9b9ed..ce6472e0c 100644
--- a/go.mod
+++ b/go.mod
@@ -52,7 +52,7 @@ require (
 	github.com/spf13/cobra v1.10.2
 	github.com/spf13/pflag v1.0.10
 	github.com/spf13/viper v1.21.0
-	github.com/stellar/go-stellar-sdk v0.5.0
+	github.com/stellar/go-stellar-sdk v0.6.0
 	github.com/stretchr/testify v1.11.1
 	github.com/testcontainers/testcontainers-go v0.43.0
 	github.com/testcontainers/testcontainers-go/modules/postgres v0.43.0
@@ -107,7 +107,7 @@ require (
 	github.com/smartcontractkit/chainlink-protos/cre/go v0.0.0-20260505131349-78e491b80735 // indirect
 	github.com/smartcontractkit/chainlink-protos/linking-service/go v0.0.0-20251002192024-d2ad9222409b // indirect
 	github.com/smartcontractkit/chainlink-protos/node-platform v0.0.0-20260211172625-dff40e83b3c9 // indirect
-	github.com/stellar/go-xdr v0.0.0-20260312225820-cc2b0611aabf // indirect
+	github.com/stellar/go-xdr v0.0.0-20260529210834-0bf8f4956364 // indirect
 	go.uber.org/goleak v1.3.0 // indirect
 	go.yaml.in/yaml/v3 v3.0.4 // indirect
 	golang.org/x/exp v0.0.0-20260218203240-3dfff04db8fa // indirect
diff --git a/go.sum b/go.sum
index 1d268492c..21fe6ce55 100644
--- a/go.sum
+++ b/go.sum
@@ -732,10 +732,10 @@ github.com/spf13/pflag v1.0.10 h1:4EBh2KAYBwaONj6b2Ye1GiHfwjqyROoF4RwYO+vPwFk=
 github.com/spf13/pflag v1.0.10/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/spf13/viper v1.21.0 h1:x5S+0EU27Lbphp4UKm1C+1oQO+rKx36vfCoaVebLFSU=
 github.com/spf13/viper v1.21.0/go.mod h1:P0lhsswPGWD/1lZJ9ny3fYnVqxiegrlNrEmgLjbTCAY=
-github.com/stellar/go-stellar-sdk v0.5.0 h1:xpOO+ZTyvGz54wTm7pwl2Gf1e6lZl0ExrJ/tKb+Roj4=
-github.com/stellar/go-stellar-sdk v0.5.0/go.mod h1:tLKAQPxa2I5UvGMabBbUXcY3fmgYnfDudrMeK7CDX4w=
-github.com/stellar/go-xdr v0.0.0-20260312225820-cc2b0611aabf h1:GY1RVbX3Hg7poPXEf6yojjP0hyypvgUgZmCqQU9D0xg=
-github.com/stellar/go-xdr v0.0.0-20260312225820-cc2b0611aabf/go.mod h1:If+U9Z1W5xU97VrOgJandQT+2dN7/iOpkCrxBJEyF80=
+github.com/stellar/go-stellar-sdk v0.6.0 h1:NM2oqZJQup0QxnJMq6C8s4iIIhU6rHFX0rlsF3wh/Ho=
+github.com/stellar/go-stellar-sdk v0.6.0/go.mod h1:IkcqcrE9UQi7n/1y+MxKB+7qzdjG1T2kGOD7Ss8dqjw=
+github.com/stellar/go-xdr v0.0.0-20260529210834-0bf8f4956364 h1:gOKrfuWdZ92LFlv0TAwgZ7OsWKeBsOMDlGLyFgduI1w=
+github.com/stellar/go-xdr v0.0.0-20260529210834-0bf8f4956364/go.mod h1:If+U9Z1W5xU97VrOgJandQT+2dN7/iOpkCrxBJEyF80=
 github.com/stephenlacy/go-ethereum-hdwallet v0.0.0-20230913225845-a4fa94429863 h1:ba4VRWSkRzgdP5hB5OxexIzBXZbSwgcw8bEu06ivGQI=
 github.com/stephenlacy/go-ethereum-hdwallet v0.0.0-20230913225845-a4fa94429863/go.mod h1:oPTjPNrRucLv9mU27iNPj6n0CWWcNFhoXFOLVGJwHCA=
 github.com/streamingfast/logging v0.0.0-20230608130331-f22c91403091 h1:RN5mrigyirb8anBEtdjtHFIufXdacyTi6i4KBfeNXeo=