diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index dc6206b..7bab0a5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -13,7 +13,7 @@ jobs:
         ruby: ["2.6", "2.7", "3.0", "3.1", ruby-head, jruby-9.3, jruby-head]
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3.1.0
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with: