Supports Charty v0.2.0

Author: 284km

rubydown.gemspec

@@ -40,7 +40,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency "numo-narray", "~> 0.9.1"
   spec.add_dependency "numo-gnuplot", "~> 0.2.4"
   spec.add_dependency "rbplotly", "~> 0.1.2"
-  spec.add_dependency "charty", "0.1.2.dev"
+  spec.add_dependency "charty", "~> 0.2.0"
   spec.add_dependency "matplotlib", "~> 1.0.0"
 
   spec.add_development_dependency "bundler", "~> 1.17"