diff --git a/Gemfile b/Gemfile
index f733ff5..16845a7 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,5 +1,5 @@
 source 'https://rubygems.org'
 
-ruby '2.2'
+ruby '2.2.2'
 
 gem 'compass'