Rakefile in less_simple-0.1.2 vs Rakefile in less_simple-0.1.3

@@ -6,10 +6,10 @@
     gemspec.description = ""
     gemspec.email = "[e-mail]"
     gemspec.homepage = "http://github.com/ryana/less_simple"
     gemspec.authors = ["Ryan Angilly"]
 
-    gemspec.add_dependency 'activesupport', '2.3.5'
+    gemspec.add_dependency 'activesupport', '~> 2.3.5'
 
     gemspec.add_development_dependency 'shoulda', '2.11.0'
     gemspec.add_development_dependency 'mocha', '0.9.8'
     gemspec.add_development_dependency 'factory_girl', '1.3.1'
     gemspec.add_development_dependency 'ruby-debug', '0.10.3'