tla-sbuilder.gemspec in tla-sbuilder-0.3.4 vs tla-sbuilder.gemspec in tla-sbuilder-0.3.7

@@ -29,10 +29,10 @@
   s.executables     = [ "sbuilder.rb" ]
   s.license         = 'MIT'
 
   s.homepage              = "https://github.com/jarjuk/tla-sbuilder"
   
-  s.required_ruby_version = '~> 2'
+  s.required_ruby_version = '~> 2', ">=2.3.1"
 
   s.add_runtime_dependency 'mustache', '~>1.0', ">=1.0.3"
   s.add_runtime_dependency 'hashie', '~>3.3', ">=3.3.2"
   s.add_runtime_dependency 'thor', '~>0.19', ">=0.19.1"
   s.add_runtime_dependency 'json-schema', '~>2.5', ">=2.5.2"