diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index e8c8a044a..366c2e961 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -76,7 +76,8 @@ jobs:
         with:
           ruby-version: "3.4"
           bundler-cache: true
-      - run: bundle exec rubocop -V
+      - name: Show RuboCop version
+        run: grep '^    rubocop' Gemfile.lock | sort
       - run: NO_COVERAGE=true bundle exec rake ${{ matrix.task }}
 
   oldest-rubocop:
@@ -97,7 +98,8 @@ jobs:
         with:
           ruby-version: "3.4"
           bundler-cache: true
-      - run: bundle exec rubocop -V
+      - name: Show RuboCop version
+        run: grep '^    rubocop' Gemfile.lock | sort
       - run: NO_COVERAGE=true bundle exec rake ${{ matrix.task }}
 
   rspec4: