diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ba666e4..d330f63 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
     timeout-minutes: 20
     steps:
       - name: Checkout source code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Set up JDK 21
         uses: actions/setup-java@v4