diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ec38f7a..c2a0fdb 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
     name: Test Backend (Go)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Set up Go
         uses: actions/setup-go@v6
@@ -38,7 +38,7 @@ jobs:
     name: Lint Backend (Go)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Set up Go
         uses: actions/setup-go@v6
@@ -56,7 +56,7 @@ jobs:
     name: Docstring Coverage
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Check docstring coverage (80% threshold)
         run: ./scripts/check-docstrings.sh 80
@@ -68,7 +68,7 @@ jobs:
       run:
         working-directory: frontend
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Set up Node.js
         uses: actions/setup-node@v6
@@ -94,7 +94,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: [test-backend, lint-backend, test-frontend]
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
 
       - name: Set up Go
         uses: actions/setup-go@v6
diff --git a/.github/workflows/docker-publish.yml b/.github/workflows/docker-publish.yml
index ef7d717..5dbb256 100644
--- a/.github/workflows/docker-publish.yml
+++ b/.github/workflows/docker-publish.yml
@@ -22,7 +22,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           fetch-tags: true
           fetch-depth: 0
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 1d05f75..cb6dadb 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -32,7 +32,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Set up Go
         uses: actions/setup-go@v6
@@ -88,7 +88,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout for CHANGELOG
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           fetch-tags: true
           fetch-depth: 0
diff --git a/.github/workflows/sonar.yml b/.github/workflows/sonar.yml
index 8a55bd9..dc9891f 100644
--- a/.github/workflows/sonar.yml
+++ b/.github/workflows/sonar.yml
@@ -11,7 +11,7 @@ jobs:
     name: SonarCloud Analysis
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
         with:
           fetch-depth: 0