diff --git a/.github/workflows/periodic.yml b/.github/workflows/periodic.yml
index dd41b95..f9fc002 100644
--- a/.github/workflows/periodic.yml
+++ b/.github/workflows/periodic.yml
@@ -8,7 +8,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4
+    - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4
     - name: test
       run: |
         sudo apt-get update && sudo apt-get install python3-dev && \
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index e47ea95..649c965 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -16,7 +16,7 @@ jobs:
       name: "release"
     steps:
       - name: Checkout repo
-        uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4
+        uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4
       - name: Set up python-${{ env.RELEASE_PY_VER }}
         uses: actions/setup-python@v5
         with:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b532cc9..44d241a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -7,7 +7,7 @@ jobs:
       matrix:
         python-version: [3.9, '3.10', 3.11, 3.12]
     steps:
-    - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4
+    - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4
     - name: test
       run: |
         sudo apt-get update && sudo apt-get install python3-dev && \