diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index 27444f0..9e9095e 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -23,7 +23,7 @@ jobs:
         ruby-version: ['2.4', '2.5', '2.6', '2.7', '3.0', 'truffleruby-head', 'head']
 
     steps:
-    - uses: actions/checkout@v2.3.5
+    - uses: actions/checkout@v2.4.0
     - name: Set up Ruby
       uses: ruby/setup-ruby@v1
       with: