diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index fd4c767..e9d87e2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -37,7 +37,7 @@ jobs:
 
     steps:
       - name: checkout repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           submodules: true