diff --git a/.github/workflows/cff-validator.yml b/.github/workflows/cff-validator.yml
index 113a24f..fc65bec 100644
--- a/.github/workflows/cff-validator.yml
+++ b/.github/workflows/cff-validator.yml
@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Validate CITATION.cff
         uses: dieghernan/cff-validator@v4