1 files changed, 2 insertions, 0 deletions

diff --git a/Gemfile b/Gemfile
index 1c9ce0c..a5cbb88 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,3 +1,5 @@
+source 'https://rubygems.org'
+
 # Command line option parsing
 gem 'optimist'