diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e9edfff..4519f7c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,7 +20,7 @@ jobs:
         python-version: ['3.12']
         
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4
@@ -71,7 +71,7 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     
     - name: Set up Python
       uses: actions/setup-python@v4
@@ -92,7 +92,7 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     
     - name: Set up Python
       uses: actions/setup-python@v4
@@ -124,7 +124,7 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     
     - name: Set up Python
       uses: actions/setup-python@v4
@@ -158,7 +158,7 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     
     - name: Set up Python
       uses: actions/setup-python@v4
@@ -182,7 +182,7 @@ jobs:
     if: github.event_name == 'push' && github.ref == 'refs/heads/main'
     
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     
     - name: Set up Python
       uses: actions/setup-python@v4
diff --git a/.github/workflows/code-quality.yml b/.github/workflows/code-quality.yml
index f5cbf6e..4383954 100644
--- a/.github/workflows/code-quality.yml
+++ b/.github/workflows/code-quality.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     
     - name: Set up Python
       uses: actions/setup-python@v4
@@ -67,7 +67,7 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     
     - name: Set up Python
       uses: actions/setup-python@v4
@@ -95,7 +95,7 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     
     - name: Set up Python
       uses: actions/setup-python@v4
@@ -125,7 +125,7 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     
     - name: Set up Python
       uses: actions/setup-python@v4
@@ -163,7 +163,7 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     
     - name: Set up Python
       uses: actions/setup-python@v4
@@ -191,7 +191,7 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     
     - name: Set up Python
       uses: actions/setup-python@v4
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index ea5c34c..dac8b42 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -17,7 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     
     - name: Set up Python
       uses: actions/setup-python@v4
@@ -45,7 +45,7 @@ jobs:
     needs: test
     
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     
     - name: Set up Python
       uses: actions/setup-python@v4
@@ -164,7 +164,7 @@ jobs:
     if: always() && (needs.publish-pypi.result == 'success' || needs.publish-test.result == 'success')
     
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v5
     
     - name: Create deployment summary
       run: |