diff --git a/Gemfile b/Gemfile
index 0874d15..a0bf014 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,4 +1,6 @@
 source "http://rubygems.org"
 
+gem 'rake'
+
 # Specify your gem's dependencies in sentiment_analysis.gemspec
 gemspec