diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3bf7b85..87ac82b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
         ruby: ["2.7", "3.0", "3.1"]
     steps:
       - name: Checkout code
-        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - name: Install Ruby and gems
         uses: ruby/setup-ruby@5cfe23c062c0aac352e765b1b7cc12ea5255ccc4
         with:
@@ -35,7 +35,7 @@ jobs:
       contents: read
     steps:
       - name: Checkout code
-        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - name: Install Ruby and gems
         uses: ruby/setup-ruby@5cfe23c062c0aac352e765b1b7cc12ea5255ccc4
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 5d665e1..9f41fb8 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
       - name: Install Ruby and gems
         uses: ruby/setup-ruby@5cfe23c062c0aac352e765b1b7cc12ea5255ccc4
         with: