diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 682d858..ba9f241 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
     name: Backend Tests
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v7
         with:
           python-version: '3.11'
@@ -38,7 +38,7 @@ jobs:
     name: Frontend Build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: actions/setup-node@v4
         with:
           node-version: '20'
@@ -56,7 +56,7 @@ jobs:
     needs: [backend-test, frontend-build]
     if: github.ref == 'refs/heads/main'
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - name: Build Docker image
         run: |
           if [ -f Dockerfile ]; then
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index 105791c..327522f 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -11,7 +11,7 @@ jobs:
     name: Dependency Audit
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v7
         with:
           python-version: '3.11'