diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 88c5504..a4a2085 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.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
@@ -49,7 +49,7 @@ jobs:
         python-version: ['3.10', '3.11', '3.12']
     
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v5
@@ -92,7 +92,7 @@ jobs:
     continue-on-error: true  # Don't fail the workflow if integration tests fail
     
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     
     - name: Set up Python
       uses: actions/setup-python@v5
@@ -124,7 +124,7 @@ jobs:
     needs: [lint, test]
     
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     
     - name: Set up Python
       uses: actions/setup-python@v5
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index d3d80db..5863585 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -17,7 +17,7 @@ jobs:
     
     steps:
     - name: Checkout code
-      uses: actions/checkout@v4
+      uses: actions/checkout@v6
     
     - name: Set up Python
       uses: actions/setup-python@v5