diff --git a/.github/workflows/validation.yml b/.github/workflows/validation.yml
index 652e470..6d3514d 100644
--- a/.github/workflows/validation.yml
+++ b/.github/workflows/validation.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ubuntu-24.04
     timeout-minutes: 20
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - name: Run the validation harness
         run: ./run-all.sh
         working-directory: validation