diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7a3635e..faca1fa 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: example
         shell: bash
         run: scripts/ci_test.py