diff --git a/.github/workflows/citation-cff.yml b/.github/workflows/citation-cff.yml
index 1023077..5a93e67 100644
--- a/.github/workflows/citation-cff.yml
+++ b/.github/workflows/citation-cff.yml
@@ -22,7 +22,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v6
       - name: Validate CITATION.cff
-        uses: dieghernan/cff-validator@v4
+        uses: dieghernan/cff-validator@v5
         env:
           GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}