bunto-avatar.gemspec in bunto-avatar-3.0.0 vs bunto-avatar.gemspec in bunto-avatar-4.0.0

@@ -17,10 +17,10 @@
     file.match(%r{^(test|spec|features)/})
   end
 
   spec.require_paths = ['lib']
 
-  spec.add_dependency 'bunto'
+  spec.add_dependency 'bunto', '~> 1.0'
   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 'rubocop'
 end