--- hammer_cli-0.1.3.gemspec.orig	2014-08-25 23:09:28.000000000 +0200
+++ hammer_cli-0.1.3.gemspec	2014-08-25 23:09:42.000000000 +0200
@@ -155,7 +155,7 @@
   name: mime-types
   requirement: !ruby/object:Gem::Requirement
     requirements:
-    - - ~>
+    - - '>='
       - !ruby/object:Gem::Version
         version: '1.0'
   type: :runtime