diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0089899..396e930 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -33,7 +33,7 @@ jobs:
     
     steps:
       - name: Checkout code
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v4.1.1
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v4.1.1
         
       - name: Install uv
         uses: astral-sh/setup-uv@ba17a16c0afc72ea47311891c76009518d0cf1aa # v4.0.0
@@ -72,7 +72,7 @@ jobs:
         
     steps:
       - name: Checkout code
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v4.1.1
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v4.1.1
         
       - name: Install uv
         uses: astral-sh/setup-uv@ba17a16c0afc72ea47311891c76009518d0cf1aa # v4.0.0
@@ -122,7 +122,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v4.1.1
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v4.1.1
         
       - name: Install uv
         uses: astral-sh/setup-uv@ba17a16c0afc72ea47311891c76009518d0cf1aa # v4.0.0
@@ -177,7 +177,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v4.1.1
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v4.1.1
 
       - name: Install uv
         uses: astral-sh/setup-uv@ba17a16c0afc72ea47311891c76009518d0cf1aa # v4.0.0
diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
index df7e706..4cfbdbb 100644
--- a/.github/workflows/dependency-review.yml
+++ b/.github/workflows/dependency-review.yml
@@ -17,7 +17,7 @@ jobs:
     
     steps:
       - name: Checkout repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v4.1.1
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v4.1.1
         
       - name: Dependency Review
         uses: actions/dependency-review-action@a1d282b36b6f3519aa1f3fc636f609c47dddb294 # v5.0.0
@@ -36,7 +36,7 @@ jobs:
     
     steps:
       - name: Checkout repository
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v4.1.1
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v4.1.1
         
       - name: Install uv
         uses: astral-sh/setup-uv@ba17a16c0afc72ea47311891c76009518d0cf1aa # v4.0.0
diff --git a/.github/workflows/pypi-publish.yml b/.github/workflows/pypi-publish.yml
index 41d59c0..0e68463 100644
--- a/.github/workflows/pypi-publish.yml
+++ b/.github/workflows/pypi-publish.yml
@@ -22,7 +22,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v4.1.1
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v4.1.1
         with:
           ref: ${{ github.event_name == 'workflow_dispatch' && inputs.tag || github.ref }}
 
@@ -90,7 +90,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v4.1.1
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v4.1.1
         with:
           ref: ${{ github.event_name == 'workflow_dispatch' && inputs.tag || github.ref }}
 
diff --git a/.github/workflows/tag-release.yml b/.github/workflows/tag-release.yml
index 5591ff6..18fde12 100644
--- a/.github/workflows/tag-release.yml
+++ b/.github/workflows/tag-release.yml
@@ -22,7 +22,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v4.1.1
+        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v4.1.1
 
       - name: Validate version matches pyproject.toml
         run: |