diff --git a/Gemfile b/Gemfile
index 7c46a5f..eb3bd38 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,6 +2,7 @@ source :rubygems
 
 gem 'rake'
 gem 'rdoc'
+gem 'nokogiri', '>=1.0.7'
 
 group :development do
   gem 'jeweler'
diff --git a/Gemfile.lock b/Gemfile.lock
index 57a9b42..02589e5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -11,6 +11,7 @@ GEM
     metaclass (0.0.1)
     mocha (0.10.0)
       metaclass (~> 0.0.1)
+    nokogiri (1.4.4)
     rake (0.9.2.2)
     rdoc (3.11)
       json (~> 1.4)
@@ -23,6 +24,7 @@ DEPENDENCIES
   fakeweb
   jeweler
   mocha
+  nokogiri (>= 1.0.7)
   rake
   rdoc
   shoulda
diff --git a/Rakefile b/Rakefile
index 00c5db4..3093ab4 100644
--- a/Rakefile
+++ b/Rakefile
@@ -12,7 +12,6 @@ begin
     s.homepage = "http://github.com/alexrabarts/term_extraction"
     s.description = "Term extraction library"
     s.authors = ["alex"]
-    s.add_dependency 'nokogiri', ['>=1.0.7']
   end
 rescue LoadError
   puts "Jeweler not available. Install it with: sudo gem install technicalpickles-jeweler -s http://gems.github.com"