diff --git a/Gemfile b/Gemfile
index 042aea5f..6fa10cbe 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,10 +6,11 @@ gem "rack"
 gem "rake"
 gem "hoe"
 gem "minitest"
+gem "webrick"
 
 if ENV["rdoc"] == "master"
   gem "rdoc", :github => "ruby/rdoc"
 end
 
 gem "importmap-rails"
-gem "railties"
\ No newline at end of file
+gem "railties"