diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index 43d76f1..f437af7 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -9,7 +9,7 @@ jobs:
   validate:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - run: |
              pip install jsonschema
              python -mjson.tool mls.json > /dev/null