diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 9b81a31..2a7e4bd 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -39,7 +39,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/upload_deploy.yml b/.github/workflows/upload_deploy.yml
index cda3e9e..60d09eb 100644
--- a/.github/workflows/upload_deploy.yml
+++ b/.github/workflows/upload_deploy.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: windows-latest
     if: false        # Skip this job
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
 
     - name: Install SSH
       uses: shimataro/ssh-key-action@v2
@@ -49,7 +49,7 @@ jobs:
   deploy:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     
     - name: make directory
       run: mkdir ./Server