diff --git a/.github/workflows/publish-pypi.yml b/.github/workflows/publish-pypi.yml
index e6673fa..8ef387b 100644
--- a/.github/workflows/publish-pypi.yml
+++ b/.github/workflows/publish-pypi.yml
@@ -29,7 +29,7 @@ jobs:
       contents: write  # required for committing version bump
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           fetch-depth: 0
           token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 8db161f..96e78d3 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -15,7 +15,7 @@ jobs:
       id-token: write # required for trusted publishing if using PyPI's OIDC
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v6
diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index f84d98b..1a78b28 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -14,7 +14,7 @@ jobs:
   pre-commit:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
           python-version: "3.13"
@@ -43,7 +43,7 @@ jobs:
         python-version: ["3.10", "3.11", "3.12", "3.13"]
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v6
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 4e0fee0..cc5c8ab 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -13,7 +13,7 @@ jobs:
       contents: write
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0 # Required for generating release notes
 
diff --git a/.github/workflows/trufflehog-full-scan.yml b/.github/workflows/trufflehog-full-scan.yml
index e2cab3d..6037795 100644
--- a/.github/workflows/trufflehog-full-scan.yml
+++ b/.github/workflows/trufflehog-full-scan.yml
@@ -18,7 +18,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0 # Full git history for complete scanning
 
diff --git a/.github/workflows/trufflehog-security.yml b/.github/workflows/trufflehog-security.yml
index 2796fbf..3954d46 100644
--- a/.github/workflows/trufflehog-security.yml
+++ b/.github/workflows/trufflehog-security.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0 # Required for TruffleHog to scan git history