diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2a5e460..b1745af 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -8,7 +8,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: set up JDK 17
         uses: actions/setup-java@v3
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 9eb91f1..30971e7 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       # Setups JDK
       - name: set up JDK 17