diff --git a/.github/actions/ci/action.yml b/.github/actions/ci/action.yml
index d0e3e94..17a62e6 100644
--- a/.github/actions/ci/action.yml
+++ b/.github/actions/ci/action.yml
@@ -22,4 +22,4 @@ runs:
 
     - name: Run RuboCop
       shell: bash
-      run: bundle exec rubocop --parallel
+      run: bundle exec rubocop