postrank-uri.gemspec in postrank-uri-1.0.18 vs postrank-uri.gemspec in postrank-uri-1.0.20

@@ -9,17 +9,20 @@
   s.authors     = ["Ilya Grigorik"]
   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.rubyforge_project = "postrank-uri"
 
-  s.add_dependency "addressable",   "~> 2.3.0"
-  s.add_dependency "public_suffix", "~> 1.1.3"
-  s.add_dependency "nokogiri",      "~> 1.6.1"
+  s.add_dependency "addressable",   ">= 2.3.0", "< 2.6"
+  s.add_dependency "public_suffix", ">= 2.0.0", "< 2.1"
+  s.add_dependency "nokogiri",      ">= 1.6.1", "< 1.8"
 
+  s.add_development_dependency "rake"
   s.add_development_dependency "rspec"
+  s.add_development_dependency "appraisal", ">= 2.0.0", "< 3.0"
 
   s.files         = `git ls-files`.split("\n")
   s.test_files    = `git ls-files -- {test,spec,features}/*`.split("\n")
   s.executables   = `git ls-files -- bin/*`.split("\n").map{ |f| File.basename(f) }
   s.require_paths = ["lib"]