postrank-uri.gemspec in postrank-uri-1.0.21 vs postrank-uri.gemspec in postrank-uri-1.0.22

@@ -10,9 +10,10 @@
   s.email       = ["[e-mail]"]
   s.homepage    = "http://github.com/postrank-labs/postrank-uri"
   s.summary     = "URI normalization, c14n, escaping, and extraction"
   s.description = s.summary
   s.license     = 'MIT'
+  s.required_ruby_version  = ">= 2.0.0"
 
   s.rubyforge_project = "postrank-uri"
 
   s.add_dependency "addressable",   ">= 2.3.0", "< 2.6"
   s.add_dependency "public_suffix", ">= 2.0.0", "< 2.1"