diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index ffc55ff..5416b4b 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Validate action file syntax
         run: yamllint -c .github/yamllint-config.yml action.yml