diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 9ed06318..daf8c989 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -11,7 +11,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up SSH
         uses: webfactory/ssh-agent@v0.7.0
diff --git a/.github/workflows/testcode.yml b/.github/workflows/testcode.yml
index 33284c5f..8827ab70 100644
--- a/.github/workflows/testcode.yml
+++ b/.github/workflows/testcode.yml
@@ -22,10 +22,10 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up JDK
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           java-version: '21'
           distribution: 'temurin'