diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 51ecb6a..4c898e1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
       matrix:
         python-version: ["3.11", "3.12", "3.13", "3.14"]
     steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v7.0.1
 
       - uses: actions/setup-python@v7
         with:
@@ -35,7 +35,7 @@ jobs:
     name: Package
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v7.0.1
 
       - uses: actions/setup-python@v7
         with:
@@ -66,7 +66,7 @@ jobs:
     needs: unit-tests
     if: github.event_name == 'push' && github.ref == 'refs/heads/main'
     steps:
-      - uses: actions/checkout@v7
+      - uses: actions/checkout@v7.0.1
 
       - uses: actions/setup-python@v7
         with:
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 318a1ba..5bfd7b3 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -19,7 +19,7 @@ jobs:
     outputs:
       stable: ${{ steps.version.outputs.stable }}
     steps:
-      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
         with:
           fetch-depth: 0