diff --git a/Gemfile b/Gemfile
index 02f65b44a..6ce41d415 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,4 +1,4 @@
-source 'http://rubygems.org'
+source 'https://rubygems.org'
 
 gem 'rails', '3.2.12'
 gem "jquery-rails", "~> 2.0.2"