diff --git a/Gemfile b/Gemfile
index 167d18a23bd..586229d1945 100644
--- a/Gemfile
+++ b/Gemfile
@@ -8,7 +8,7 @@ gem 'middleman-autoprefixer', '~> 2.7.0'
 gem 'middleman-sprockets', '~> 4.1.0'
 gem 'rouge', '~> 2.0.5'
 gem 'redcarpet', '~> 3.4.0'
-gen 'pkg-config', '~> 1.1'
+gem 'pkg-config', '~> 1.1'
 gem 'nokogiri', '~> 1.8.2'
 gem 'therubyracer'