Explicitly specify Coveralls version for development

sds · sds · commit cb02c5bc92fc · 2017-05-29T12:38:46.000-07:00
diff --git a/Gemfile b/Gemfile
@@ -7,7 +7,7 @@ gemspec
 gem 'rspec', '~> 3.0'
 
 # Generate coverage information in Travis builds
-gem 'coveralls'
+gem 'coveralls', '~> 0.8'
 
 # Pin RuboCop for Travis builds.
 gem 'rubocop', '0.48.1'
