diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b48a099..ce75d46 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
         ruby: ["3.0", "3.1", "3.2", "3.3"]
     steps:
       - name: Checkout code
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
       - name: Install Ruby and gems
         uses: ruby/setup-ruby@d4526a55538b775af234ba4af27118ed6f8f6677
         with:
@@ -35,7 +35,7 @@ jobs:
       contents: read
     steps:
       - name: Checkout code
-        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
       - name: Install Ruby and gems
         uses: ruby/setup-ruby@d4526a55538b775af234ba4af27118ed6f8f6677
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 0dc30ee..bbf08b1 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@b4ffde65f46336ab88eb53be808477a3936bae11
+        uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
       - name: Install Ruby and gems
         uses: ruby/setup-ruby@d4526a55538b775af234ba4af27118ed6f8f6677
         with: