gridium.gemspec in gridium-0.1.4 vs gridium.gemspec in gridium-0.1.5

@@ -27,11 +27,11 @@
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
   spec.add_development_dependency "bundler", "~> 1.10"
   spec.add_development_dependency "rake", "~> 10.0"
-  spec.add_development_dependency "rspec"
+  spec.add_development_dependency "rspec", "~> 3.0"
 
-  spec.add_runtime_dependency "selenium-webdriver", ">=2.45.0"
-  spec.add_runtime_dependency "oily_png"
+  spec.add_runtime_dependency "selenium-webdriver", ">= 2.45.0"
+  spec.add_runtime_dependency "oily_png", ">= 1.1.2"
 
 end