diff --git a/style/.rubocop.yml b/style/.rubocop.yml
index b668113..5803435 100644
--- a/style/.rubocop.yml
+++ b/style/.rubocop.yml
@@ -2,6 +2,7 @@ AllCops:
   Include:
   - "**/*.rake"
   - "**/Gemfile"
+  - "**/*.gemfile"
   - "**/Rakefile"
   Exclude:
   - "vendor/**/*"