diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index efdef0f..71fa090 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up Dart SDK
         uses: dart-lang/setup-dart@v1