diff --git a/.github/workflows/conformance.yml b/.github/workflows/conformance.yml
index 4bfc467e..5a5f17f1 100644
--- a/.github/workflows/conformance.yml
+++ b/.github/workflows/conformance.yml
@@ -50,7 +50,7 @@ jobs:
         command: composer install
 
     - name: Setup Go
-      uses: actions/setup-go@d35c59abb061a4a6fb18e82ac0862c26744d6ab5 # v5.5.0
+      uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
       with:
         go-version: '1.24'