diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ffc505f..4c82465 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -33,7 +33,7 @@ jobs:
       AI_GLOBAL_TIMEOUT_SECONDS: 15
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1