diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b9ecaec..e19ecdf 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,7 +15,7 @@ jobs:
     name: Backend
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: taiki-e/install-action@just
 
       - name: Set up Python 3.12
@@ -45,7 +45,7 @@ jobs:
     name: Frontend
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: taiki-e/install-action@just
 
       - name: Set up Node 22
@@ -74,7 +74,7 @@ jobs:
     name: Docker Build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: taiki-e/install-action@just
 
       - name: Build images
diff --git a/.github/workflows/monitor.yml b/.github/workflows/monitor.yml
index 83a8161..c902838 100644
--- a/.github/workflows/monitor.yml
+++ b/.github/workflows/monitor.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     if: ${{ vars.DEV_FRONTEND_URL != '' && vars.DEV_BACKEND_URL != '' }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v5
         with:
           python-version: "3.12"
@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     if: ${{ vars.PRODUCTION_FRONTEND_URL != '' && vars.PRODUCTION_BACKEND_URL != '' }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v5
         with:
           python-version: "3.12"
diff --git a/.github/workflows/railway-deploy.yml b/.github/workflows/railway-deploy.yml
index 71046e1..2c3b4bf 100644
--- a/.github/workflows/railway-deploy.yml
+++ b/.github/workflows/railway-deploy.yml
@@ -31,7 +31,7 @@ jobs:
     runs-on: ubuntu-latest
     environment: ${{ inputs.deploy_environment }}
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
 
       - name: Set up Node 22
         uses: actions/setup-node@v4