diff --git a/.gitignore b/.gitignore
index 77b97083f9..d4ea13cb6c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -31,6 +31,7 @@
 
 # Unignore vendored gems
 !**/vendor/bundle/ruby/*/gems/*/lib
+!**/vendor/bundle/ruby/*/gems/rubocop-performance-*/config
 !**/vendor/bundle/ruby/*/gems/rubocop-rspec-*/config
 
 # Ignore partially included gems where we don't need all files