middleman-protect-emails.gemspec in middleman-protect-emails-0.3.1 vs middleman-protect-emails.gemspec in middleman-protect-emails-0.4.0

@@ -14,11 +14,11 @@
   spec.license       = 'MIT'
   spec.files         = `git ls-files -z`.split("\x0")
   spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
   spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
   spec.require_paths = ['lib']
-  spec.required_ruby_version = '>= 1.9.3'
+  spec.required_ruby_version = '>= 2.0'
 
-  spec.add_dependency 'middleman-core', '~> 3.2'
+  spec.add_dependency 'middleman-core', '>= 3.4'
 
-  spec.add_development_dependency 'rake', '~> 10.0'
+  spec.add_development_dependency 'rake', '~> 10.3'
 end