Gemfile in epubinfo-0.2.3 vs Gemfile in epubinfo-0.2.4

@@ -1,8 +1,8 @@
 source "http://rubygems.org"
 
 gem "rubyzip", "~> 0.9.6"
-gem "nokogiri", "~> 1.5.2"
+gem "nokogiri", ">= 1.4.2"
 
 # Add dependencies required to use your gem here.
 # Example:
 #   gem "activesupport", ">= 2.3.5"