diff --git a/Gemfile b/Gemfile
index 18351bb..2d5fb79 100644
--- a/Gemfile
+++ b/Gemfile
@@ -3,7 +3,7 @@ source 'https://rubygems.org'
 gemspec
 
 group :test do
-  gem 'duktape', platform: :mri, github: 'judofyr/duktape.rb'
+  gem 'duktape', platform: :mri
   gem 'therubyracer', platform: :mri
   gem 'therubyrhino', ">=1.73.3", platform: :jruby
   gem 'minitest', require: false