diff --git a/.github/workflows/validation.yml b/.github/workflows/validation.yml
index 1ad50e2..4570b42 100644
--- a/.github/workflows/validation.yml
+++ b/.github/workflows/validation.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Set up Python 3.11
       uses: actions/setup-python@v4