diff --git a/.github/workflows/validation.yml b/.github/workflows/validation.yml
index 3db9154..47943b1 100644
--- a/.github/workflows/validation.yml
+++ b/.github/workflows/validation.yml
@@ -16,7 +16,7 @@ jobs:
   validate_cff:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v6
     - name: Check whether the citation metadata from CITATION.cff is valid
       uses: citation-file-format/cffconvert-github-action@2.0.0
       with: