diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 736b614a..c37c7cb9 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -24,7 +24,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4
+        uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v3
diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index 550b5576..263a23e1 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4
+    - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4
     - name: Build the Docker image
       run: make compose/rebuild
     - name: Run test in Docker image
diff --git a/.github/workflows/markdown-lint.yml b/.github/workflows/markdown-lint.yml
index e9e89581..13857e09 100644
--- a/.github/workflows/markdown-lint.yml
+++ b/.github/workflows/markdown-lint.yml
@@ -19,7 +19,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4
+      uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4
 
     - name: Set up Node.js ${{ matrix.node-version }}
       uses: actions/setup-node@v4
diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
index 74d4d25a..d66c8819 100644
--- a/.github/workflows/python.yml
+++ b/.github/workflows/python.yml
@@ -24,7 +24,7 @@ jobs:
         python: ['3.10', '3.11', '3.12']
     runs-on: ${{ matrix.os }}
     steps:
-    - uses: actions/checkout@44c2b7a8a4ea60a981eaca3cf939b5f4305c123b # v4
+    - uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4
 
     - name: Setup Python
       uses: actions/setup-python@master