diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0da7234..ada44a0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
         os: [ubuntu-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@v2.3.4
+    - uses: actions/checkout@v4.1.1
     - uses: actions/setup-java@v4
       with:
         java-version: "${{ matrix.java }}"