Rakefile in papermill-0.6.0 vs Rakefile in papermill-0.6.1

@@ -32,10 +32,10 @@
     gemspec.homepage = "http://github.com/BBenezech/papermill"
     gemspec.authors = ["Benoit Bénézech"]
     gemspec.add_dependency('paperclip', '>= 2.1.2')
     gemspec.add_dependency('mime-types', '>= 1.16')
     gemspec.add_dependency('stringex', '>= 1.0.0')
-    gemspec.add_dependency('acts-as-list', '>= 0.1.2')
+    gemspec.add_dependency('acts_as_list', '>= 0.1.2')
   end
 rescue LoadError
   puts "Jeweler not available. Install it with: sudo gem install technicalpickles-jeweler -s http://gems.github.com"
 end
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