diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index ad8e237f0..1675f5a17 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -9,7 +9,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+    - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v3.3.0
     - uses: ruby/setup-ruby@250fcd6a742febb1123a77a841497ccaa8b9e939 # v1.152.0
       with:
         ruby-version: '3.0'
diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 613b27948..cd805066e 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
       - name: Setup Ruby
         uses: ruby/setup-ruby@250fcd6a742febb1123a77a841497ccaa8b9e939 # v1.139.0
         with:
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 5f965b8f1..a136d6b14 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     continue-on-error: true
     steps:
-    - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+    - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v3.3.0
     - uses: ruby/setup-ruby@250fcd6a742febb1123a77a841497ccaa8b9e939 # v1.152.0
       with:
         ruby-version: '3.0'
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 816464755..c8d6ecc8b 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -27,7 +27,7 @@ jobs:
           - os: windows-latest
             ruby: jruby
     steps:
-    - uses: actions/checkout@ac593985615ec2ede58e132d2e21d2b1cbd6127c # v3.3.0
+    - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v3.3.0
     - uses: ruby/setup-ruby@250fcd6a742febb1123a77a841497ccaa8b9e939 # v1.152.0
       with:
         ruby-version: ${{ matrix.ruby }}