tlapse.gemspec in tlapse-0.7.0 vs tlapse.gemspec in tlapse-0.8.0

@@ -21,9 +21,10 @@
   spec.add_development_dependency "bundler", "~> 1.11"
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "rspec", "~> 3.0"
   spec.add_development_dependency "byebug", "~> 8.2"
   spec.add_development_dependency "timecop", "~> 0.8"
+  spec.add_development_dependency "simplecov", "~> 0.15"
 
   spec.add_dependency "activesupport", "~> 5"
   spec.add_dependency "RubySunrise", "~> 0.3"
   spec.add_dependency "thor", "~> 0.20"
   spec.add_dependency "rainbow", "~> 3"