diff --git a/.github/workflows/check_changelog.yml b/.github/workflows/check_changelog.yml
index a4cb9ed..61bd564 100644
--- a/.github/workflows/check_changelog.yml
+++ b/.github/workflows/check_changelog.yml
@@ -13,7 +13,7 @@ jobs:
       !contains(github.event.pull_request.body, '[skip ci]') &&
       !contains(github.event.pull_request.labels.*.name, 'skip changelog')
     steps:
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v3.1.0
       - name: Check that CHANGELOG is touched
         run: |
           git fetch origin ${{ github.base_ref }} --depth 1 && \
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c1b3e32..da2e2b7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v3.1.0
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
@@ -33,7 +33,7 @@ jobs:
           - head
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v3.1.0
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with: