diff --git a/sinatra-contrib/sinatra-contrib.gemspec b/sinatra-contrib/sinatra-contrib.gemspec
index b67dca30..3b80ccfb 100644
--- a/sinatra-contrib/sinatra-contrib.gemspec
+++ b/sinatra-contrib/sinatra-contrib.gemspec
@@ -128,5 +128,4 @@ Gem::Specification.new do |s|
   s.add_development_dependency "erubis"
   s.add_development_dependency "slim"
   s.add_development_dependency "rake"
-  s.add_development_dependency "yajl-ruby"
 end