diff --git a/Gemfile b/Gemfile
index f475dd92..596b3740 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source :rubygems
 
-gem "zip"
+gem "rubyzip"
 gem "simple_enum"
 gem "nokogiri", ">= 1.4.2"
 gem "uuidtools", "~> 2.1.1"
diff --git a/README.md b/README.md
index 9fc3b911..3b47307f 100644
--- a/README.md
+++ b/README.md
@@ -48,7 +48,7 @@ As of version 1.4.4 of this plugin:
   * Bundler 1.1 or greater (Gem)
   * Redmine 2.0.x 
   * Rails 3.2.x (Inline with Redmine installation requirement) 
-  * zip (Gem)
+  * rubyzip (Gem)
   * Nokogiri 1.4.2 or greater (Gem)
   * UUIDTools 2.1.1 or greater (less than 2.2.0) (Gem)
   * simple_enum (Gem)