diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 9d9d383..c83653b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6e687e8..12d17ec 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,7 +27,7 @@ jobs:
           - 5432:5432
     
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       
       - name: Set up Go
         uses: actions/setup-go@v5
@@ -75,7 +75,7 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       
       - name: Set up Node.js
         uses: actions/setup-node@v4
@@ -106,7 +106,7 @@ jobs:
     needs: [test-backend, test-frontend]
     
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
diff --git a/.github/workflows/integration-tests.yml b/.github/workflows/integration-tests.yml
index 9118074..e26b264 100644
--- a/.github/workflows/integration-tests.yml
+++ b/.github/workflows/integration-tests.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       
       - name: Set up Docker Compose
         run: |
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index e197931..77125de 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -13,7 +13,7 @@ jobs:
       contents: write
     
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
       
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index 46788b0..dfc1996 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -13,7 +13,7 @@ jobs:
     name: Secrets Scanning
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
       
@@ -33,7 +33,7 @@ jobs:
     name: Dependency Scanning
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       
       - name: Set up Go
         uses: actions/setup-go@v5
@@ -74,7 +74,7 @@ jobs:
     name: SBOM Generation
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       
       - name: Generate Go SBOM
         uses: anchore/sbom-action@v0
@@ -102,7 +102,7 @@ jobs:
     runs-on: ubuntu-latest
     if: github.event_name == 'release'
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       
       - name: Set up Go
         uses: actions/setup-go@v5
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 1bbb864..dccc4ee 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -27,7 +27,7 @@ jobs:
           - 5432:5432
     
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       
       - name: Set up Go
         uses: actions/setup-go@v5
@@ -83,7 +83,7 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       
       - name: Set up Node.js
         uses: actions/setup-node@v4
@@ -134,7 +134,7 @@ jobs:
     needs: [test-backend, test-frontend]
     
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3