diff --git a/.github/workflows/dev_deploy.yml b/.github/workflows/dev_deploy.yml
index 0804da9..897dd05 100644
--- a/.github/workflows/dev_deploy.yml
+++ b/.github/workflows/dev_deploy.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3  # 저장소 코드 체크아웃
+      - uses: actions/checkout@v4  # 저장소 코드 체크아웃
 
       - name: Set up JDK 17  # Java 개발 킷 설정
         uses: actions/setup-java@v3