iconCreater.gemspec in iconCreater-0.2.5 vs iconCreater.gemspec in iconCreater-0.2.6

@@ -30,8 +30,8 @@
   spec.require_paths = ["lib"]
 
   spec.add_development_dependency "bundler", "~> 1.10"
   spec.add_development_dependency "rake", "~> 10.0"
 
-  spec.add_development_dependency "rmagick", ">= 2.13.2"
+  spec.add_runtime_dependency 'rmagick', '~> 2.13'
 
 end