unleash-client.gemspec in unleash-3.2.5 vs unleash-client.gemspec in unleash-4.0.0

- old
+ new

@@ -29,8 +29,9 @@
   spec.add_development_dependency "rake", "~> 12.3"
   spec.add_development_dependency "rspec", "~> 3.9"
   spec.add_development_dependency "rspec-json_expectations", "~> 2.2"
   spec.add_development_dependency "webmock", "~> 3.8"
 
-  spec.add_development_dependency "coveralls", "~> 0.8"
   spec.add_development_dependency "rubocop", "~> 0.80"
+  spec.add_development_dependency "simplecov", "~> 0.21.2"
+  spec.add_development_dependency "simplecov-lcov", "~> 0.8.0"
 end