diff --git a/Gemfile b/Gemfile
index bbd7382fd..6e8bb31c2 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source 'http://rubygems.org'
 
-ruby "2.2"
+ruby "2.2.3"
 
 gem 'rails', '4.2.5'
 gem 'rails-observers'