Rakefile in ezprint-0.2.2 vs Rakefile in ezprint-0.3.1

@@ -8,10 +8,10 @@
     gem.summary = %Q{A Rails wrapper for the PDFkit library. Meant to be a drop in replacement for princely.}
     gem.description = %Q{A Rails wrapper for the PDFkit library. Meant to be a drop in replacement for princely.}
     gem.email = "[e-mail]"
     gem.homepage = "http://github.com/jstewart/ezprint"
     gem.authors = ["Jason Stewart"]
-    gem.add_dependency 'pdfkit', '>=0.4.1'
+    gem.add_dependency 'pdfkit', '~> 0.5.0'
   end
 
 rescue LoadError
   puts "Jeweler (or a dependency) not available. Install it with: gem install jeweler"
 end