diff --git a/.github/workflows/cdk-compat.yaml b/.github/workflows/cdk-compat.yaml
index 3f37b43..8796ab5 100644
--- a/.github/workflows/cdk-compat.yaml
+++ b/.github/workflows/cdk-compat.yaml
@@ -17,7 +17,7 @@ jobs:
           - aws-cdk-version: "latest"
             constructs-version: "latest"
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: actions/setup-node@v6
         with:
           node-version: 22