diff --git a/.github/workflows/ruby-core.yml b/.github/workflows/ruby-core.yml
index daad82a5b..692e7d497 100644
--- a/.github/workflows/ruby-core.yml
+++ b/.github/workflows/ruby-core.yml
@@ -28,7 +28,7 @@ jobs:
           bundler: none
       - name: Save latest buildable revision to environment
         run: echo "REF=$(ruby -v | cut -d')' -f1 | cut -d' ' -f5)" >> $GITHUB_ENV
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v3.1.0
+      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v3.1.0
         with:
           repository: ruby/ruby
           path: ruby/ruby
@@ -47,7 +47,7 @@ jobs:
           ./configure -C --disable-install-doc
           make -j2
         working-directory: ruby/ruby
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac # v3.1.0
+      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v3.1.0
         with:
           path: ruby/irb
       - name: Sync tools
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f80bd73d9..3b213c34d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -28,7 +28,7 @@ jobs:
       WITH_LATEST_RELINE: ${{matrix.with_latest_reline}}
     timeout-minutes: 30
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
@@ -55,7 +55,7 @@ jobs:
       WITH_LATEST_RELINE: ${{matrix.with_latest_reline}}
     timeout-minutes: 30
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with: