Gemfile in yammer-oauth2-0.1.1 vs Gemfile in yammer-oauth2-0.2.0

@@ -5,9 +5,9 @@
 group :test do
   gem 'json', :platforms => :ruby_18
   gem 'rspec', '>= 2.11'
   gem 'simplecov', :require => false
   gem 'coveralls', :require => false
-  gem 'webmock'
+  gem 'webmock', '~> 1.10.1'
 end
 
 gemspec
\ No newline at end of file