diff --git a/tasks/gem.rake b/tasks/gem.rake
index 627a9cb28..9219cbfa8 100644
--- a/tasks/gem.rake
+++ b/tasks/gem.rake
@@ -20,6 +20,7 @@ namespace :gem do
 
     s.add_runtime_dependency("oauth", ">= 0.4.1")
     s.add_runtime_dependency("addressable", ">= 2.2.0")
+    s.add_runtime_dependency("json", ">= 1.1.9")
 
     s.add_development_dependency("rake", ">= 0.7.3")
     s.add_development_dependency("rspec", ">= 1.0.8")