diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 67a8b64..dc2d055 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -19,7 +19,7 @@ jobs:
       contents: read
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up JDK ${{ matrix.java }}
       uses: actions/setup-java@v3
       with: