diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 84448b3..66a499d 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Clone this git repository
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
 
       - name: Project Syntax Verification
         run: make docker/run target=lint
@@ -21,7 +21,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Clone this git repository
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
 
       - name: Check workflow files
         uses: reviewdog/action-actionlint@c6ee1eb0a5d47b2af53a203652b5dac0b6c4016e
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 8a0c723..f5ffce6 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -27,7 +27,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
         with:
           fetch-depth: 0
       - run: git fetch --tags --force origin
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 4742002..48bb689 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Clone this git repository
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
 
       - name: Install docker-compose
         run: make docker-compose/install