rest-service-client.gemspec in rest-service-client-0.2.0 vs rest-service-client.gemspec in rest-service-client-0.3.0

@@ -24,10 +24,10 @@
 
   spec.add_development_dependency 'bundler', '~> 1.15'
   spec.add_development_dependency 'rake', '~> 10.0'
   spec.add_development_dependency 'minitest', '~> 5.0'
 
-  spec.add_dependency 'rest-client'
-  spec.add_dependency 'json'
+  spec.add_dependency 'rest-client', '~> 2.0'
+  spec.add_dependency 'json', '~> 2.1'
 
   spec.required_ruby_version = '>= 2.0.0'
 end