.rubocop.yml in opentracing-instrumentation-0.1.8 vs .rubocop.yml in opentracing-instrumentation-0.1.9

- old
+ new

@@ -1,6 +1,8 @@
 require:
   - rubocop-rspec
+  - rubocop-performance
+  - rubocop-thread_safety
 
 Layout/LineLength:
   Max: 100
 
 Style/TrailingCommaInHashLiteral: