diff --git a/Gemfile b/Gemfile
index 281ec56..8dc6db4 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,4 +1,4 @@
-source :rubygems
+source 'https://rubygems.org'
 
 gem 'activerecord'
 gem 'actionpack'
diff --git a/Gemfile.lock b/Gemfile.lock
index b5f9cb0..97f5bfd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,5 +1,5 @@
 GEM
-  remote: http://rubygems.org/
+  remote: https://rubygems.org/
   specs:
     actionpack (3.2.11)
       activemodel (= 3.2.11)