diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 292b754..c7d266d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v6
@@ -40,7 +40,7 @@ jobs:
     needs: [code-format] # Only run after code formatting passes
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up Python 3.10
         uses: actions/setup-python@v6
@@ -78,7 +78,7 @@ jobs:
     needs: [basic-build] # Run in parallel with other tests after basic build
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v6
@@ -108,7 +108,7 @@ jobs:
     needs: [basic-build] # Run in parallel with other checks
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v6
@@ -148,7 +148,7 @@ jobs:
             python-version: "3.10"
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v6
diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index a18c556..425d2a4 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -36,7 +36,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: ${{ github.event.inputs.branch || github.ref }}
 
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 38d9ed8..7b0b935 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -29,7 +29,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v6
@@ -53,7 +53,7 @@ jobs:
     needs: [code-format] # Only run after code formatting passes
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up Python 3.10
         uses: actions/setup-python@v6
@@ -85,7 +85,7 @@ jobs:
     needs: [basic-build] # Run in parallel with other tests after basic build
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Run Safety CLI to check for vulnerabilities
         uses: pyupio/safety-action@v1
@@ -109,7 +109,7 @@ jobs:
     needs: [basic-build]
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v6
@@ -240,7 +240,7 @@ jobs:
     if: always() && (needs.pypi-publish.result == 'success' || needs.test-pypi-publish.result == 'success')
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Create deployment summary
         run: |