diff --git a/Library/Homebrew/style.rb b/Library/Homebrew/style.rb
index 7793f003e70c2b..a734a174a241bf 100644
--- a/Library/Homebrew/style.rb
+++ b/Library/Homebrew/style.rb
@@ -157,6 +157,11 @@ def self.run_rubocop(files, output_type,
         args << "--config" << (HOMEBREW_REPOSITORY/"docs/docs_rubocop_style.yml")
       elsif files.any? { |f| f.to_s.start_with? HOMEBREW_LIBRARY_PATH }
         base_dir = HOMEBREW_LIBRARY_PATH
+      # If we're in GitHub Actions, use the CI config.
+      # TODO: Remove this once we're done incrementally enabling new custom cops.
+      elsif GitHub::Actions.env_set?
+        args << "--config" << (HOMEBREW_LIBRARY/".rubocop_ci.yml")
+        base_dir = HOMEBREW_LIBRARY
       else
         args << "--config" << (HOMEBREW_LIBRARY/".rubocop.yml")
         base_dir = HOMEBREW_LIBRARY if files.any? { |f| f.to_s.start_with? HOMEBREW_LIBRARY }