diff --git a/Gemfile b/Gemfile
index 9dc1b4dc37..f8001c9076 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,3 +1,4 @@
 source 'https://rubygems.org'
 gemspec :name => "github-linguist"
 gem 'byebug' if RUBY_VERSION >= '2.0'
+gem 'byebug' if RUBY_VERSION >= '2.0'