diff --git a/.github/workflows/CI.yaml b/.github/workflows/CI.yaml
index d705f44..5fb1b5c 100644
--- a/.github/workflows/CI.yaml
+++ b/.github/workflows/CI.yaml
@@ -16,7 +16,7 @@ jobs:
         node: [18]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
       - uses: pnpm/action-setup@v2
         with:
           version: 8
@@ -49,7 +49,7 @@ jobs:
         node: [18]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
       - uses: pnpm/action-setup@v2
         with:
           version: 8
@@ -86,7 +86,7 @@ jobs:
           POSTGRES_DB: skku-ejs
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
       - uses: pnpm/action-setup@v2
         with:
           version: 8