diff --git a/Gemfile b/Gemfile
index 4f18360433..3696ab1c59 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,4 +1,6 @@
-source :rubygems
+source 'https://rubygems.org'
+
+ruby '1.8.7'
 
 group :rails do
   gem 'rails', '~> 3.0.9'
diff --git a/Gemfile.lock b/Gemfile.lock
index 7435032e02..0d462b2088 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -41,7 +41,7 @@ GIT
       tilt (>= 1.2.2)
 
 GEM
-  remote: http://rubygems.org/
+  remote: https://rubygems.org/
   specs:
     POpen4 (0.1.4)
       Platform (>= 0.4.0)