diff --git a/.github/workflows/backend-ci.yml b/.github/workflows/backend-ci.yml
index 40ff145..456c8c8 100644
--- a/.github/workflows/backend-ci.yml
+++ b/.github/workflows/backend-ci.yml
@@ -24,7 +24,7 @@ jobs:
     
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       
       - name: Setup Python
         uses: actions/setup-python@v6
diff --git a/.github/workflows/extension-ci.yml b/.github/workflows/extension-ci.yml
index 232294a..4c74a7a 100644
--- a/.github/workflows/extension-ci.yml
+++ b/.github/workflows/extension-ci.yml
@@ -24,7 +24,7 @@ jobs:
     
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       
       - name: Setup Node.js
         uses: actions/setup-node@v6