diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8ab6009..e1cbcb4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,7 +20,7 @@ jobs:
       run:
         working-directory: frontend
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: actions/setup-node@v7
         with:
           node-version: 22
@@ -55,7 +55,7 @@ jobs:
       run:
         working-directory: backend
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: actions/setup-python@v6
         with:
           python-version: "3.12"
@@ -79,7 +79,7 @@ jobs:
     timeout-minutes: 30
     needs: [frontend, backend]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: actions/setup-node@v7
         with:
           node-version: 22
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 6cf76ea..d4604c7 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -26,7 +26,7 @@ jobs:
       matrix:
         language: [javascript-typescript, python]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: github/codeql-action/init@v4
         with:
           languages: ${{ matrix.language }}
diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
index a05ca8a..79c558b 100644
--- a/.github/workflows/dependency-review.yml
+++ b/.github/workflows/dependency-review.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     timeout-minutes: 10
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v7
       - uses: actions/dependency-review-action@v4
         with:
           fail-on-severity: high