diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 485b0cf..c58c7d4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     continue-on-error: ${{ endsWith(matrix.ruby, 'head') || matrix.ruby == 'debug' }}
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3.1.0
     - run: rm Gemfile.lock
     - name: Setup Ruby ${{ matrix.ruby }}
       uses: ruby/setup-ruby@v1
@@ -30,7 +30,7 @@ jobs:
     if: "contains(github.event.commits[0].message, '[ci skip]') == false"
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3.1.0
     - uses: ruby/setup-ruby@v1
       with:
         bundler-cache: true
@@ -45,7 +45,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3.1.0
     - uses: ruby/setup-ruby@v1
       with:
         bundler-cache: true
@@ -59,7 +59,7 @@ jobs:
   docs:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3.1.0
     - name: Check markdown files for broken links
       uses: justinbeckwith/linkinator-action@v1
       with: