diff --git a/Gemfile b/Gemfile
index e5184a8b..0edbd5ca 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,4 +2,5 @@ source :rubygems
 
 gem "nokogiri"
 gem "redcarpet"
+gem "sqlite3"
 gem "yard", :github => "Watson1978/yard", :branch => "macruby"