diff --git a/.github/workflows/validate.yml b/.github/workflows/validate.yml
index c93dee0..b89093d 100644
--- a/.github/workflows/validate.yml
+++ b/.github/workflows/validate.yml
@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@755da8c3cf115ac066823e79a1e1788f8940201b
+      - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c
 
       - name: Check for sources
         run: |