diff --git a/.github/workflows/rubocop.yml b/.github/workflows/rubocop.yml
index f64e955..a2395ac 100644
--- a/.github/workflows/rubocop.yml
+++ b/.github/workflows/rubocop.yml
@@ -10,8 +10,8 @@ jobs:
       - name: Set up Ruby 2.7
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.7.x
-
+          ruby-version: 2.7
+          bundler-cache: true
       - name: Run rubocop
         run: |
           gem install bundler