softcover.gemspec in softcover-1.6.4 vs softcover.gemspec in softcover-1.6.5

@@ -35,7 +35,7 @@
   gem.add_dependency 'thin', '~> 1.6.1'
   gem.add_dependency 'async_sinatra', '~> 1.1.0'
   gem.add_dependency 'sinatra-respond_to', '~> 0.9.0'
   gem.add_dependency 'coffee-script', '>= 2.2.0'
   gem.add_dependency 'listen', '~> 3.2.1'
-  gem.add_dependency 'sanitize', '~> 4.6.3'
+  gem.add_dependency 'sanitize', '>= 4.6.3', '< 5.3.0'
 end