diff --git a/.github/workflows/ci-api.yml b/.github/workflows/ci-api.yml
index dafa8a8..fc22a6f 100644
--- a/.github/workflows/ci-api.yml
+++ b/.github/workflows/ci-api.yml
@@ -32,7 +32,7 @@ jobs:
       run:
         working-directory: api
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Set up JDK ${{ env.JAVA_VERSION }}
         uses: actions/setup-java@v5
@@ -75,7 +75,7 @@ jobs:
       SPRING_JPA_HIBERNATE_DDL_AUTO: create-drop
 
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Set up JDK ${{ env.JAVA_VERSION }}
         uses: actions/setup-java@v5
@@ -101,7 +101,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: test
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v4
diff --git a/.github/workflows/ci-realtime.yml b/.github/workflows/ci-realtime.yml
index 7e9a26c..9f89c4e 100644
--- a/.github/workflows/ci-realtime.yml
+++ b/.github/workflows/ci-realtime.yml
@@ -42,7 +42,7 @@ jobs:
     name: Format & Lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Set up Node.js ${{ env.NODE_VERSION }}
         uses: actions/setup-node@v6
@@ -69,7 +69,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: lint
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Set up Node.js ${{ env.NODE_VERSION }}
         uses: actions/setup-node@v6
@@ -93,7 +93,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: test
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Set up Node.js ${{ env.NODE_VERSION }}
         uses: actions/setup-node@v6
@@ -117,7 +117,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: build
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v4
diff --git a/.github/workflows/ci-web.yml b/.github/workflows/ci-web.yml
index ad1cefa..35318dd 100644
--- a/.github/workflows/ci-web.yml
+++ b/.github/workflows/ci-web.yml
@@ -42,7 +42,7 @@ jobs:
     name: Format & Lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Set up Node.js ${{ env.NODE_VERSION }}
         uses: actions/setup-node@v6
@@ -69,7 +69,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: lint
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Set up Node.js ${{ env.NODE_VERSION }}
         uses: actions/setup-node@v6
@@ -93,7 +93,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: test
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Set up Node.js ${{ env.NODE_VERSION }}
         uses: actions/setup-node@v6