adiwg-mdcodes.gemspec in adiwg-mdcodes-0.2.0 vs adiwg-mdcodes.gemspec in adiwg-mdcodes-0.2.1

@@ -21,6 +21,8 @@
 
   spec.add_development_dependency "bundler", "~> 1.6"
   spec.add_development_dependency "rake", "~>10"
   spec.add_development_dependency "minitest", "~>5"
 
+  spec.add_runtime_dependency "json", "~>1.8"
+
 end