diff --git a/Gemfile b/Gemfile
index 93508ec..cc45987 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,5 +1,5 @@
 source 'https://rubygems.org'
-ruby '2.1.6'
+ruby '2.1.9'
 
 gem "octokit", "~> 3.0"
 gem 'thor', '0.19.1'