diff --git a/.github/workflows/validation.yml b/.github/workflows/validation.yml
index 32b5af4..d7ba75d 100644
--- a/.github/workflows/validation.yml
+++ b/.github/workflows/validation.yml
@@ -15,7 +15,7 @@ jobs:
 
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8
+    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd
     - name: Set up Python
       uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548
       with: