diff --git a/.github/workflows/cff-validator.yml b/.github/workflows/cff-validator.yml
index 46faed5..0b56a68 100644
--- a/.github/workflows/cff-validator.yml
+++ b/.github/workflows/cff-validator.yml
@@ -12,7 +12,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Validate CITATION.cff
         uses: dieghernan/cff-validator@v3
\ No newline at end of file