diff --git a/.github/workflows/code-quality.yml b/.github/workflows/code-quality.yml
index 51ae8b0..a413963 100644
--- a/.github/workflows/code-quality.yml
+++ b/.github/workflows/code-quality.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     
     - name: Set up Python
       uses: actions/setup-python@v5
@@ -45,7 +45,7 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     
     - name: Set up Python
       uses: actions/setup-python@v5
@@ -76,7 +76,7 @@ jobs:
         frontend: [photographs, maps, documents]
     
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     
     - name: Set up Node.js
       uses: actions/setup-node@v4
@@ -101,7 +101,7 @@ jobs:
     
     steps:
     - name: Checkout Repository
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
     
     - name: Dependency Review
       uses: actions/dependency-review-action@v4