diff --git a/redmon.gemspec b/redmon.gemspec
index 517befd..536a37d 100644
--- a/redmon.gemspec
+++ b/redmon.gemspec
@@ -26,7 +26,8 @@ Gem::Specification.new do |s|
   s.add_dependency "haml"
   s.add_dependency "rack"
   s.add_dependency "thin"
-  s.add_dependency "activesupport"
+  s.add_dependency "activesupport", "~> 3.2.0"
+  s.add_dependency "json", "~> 1.7.7"
   s.add_dependency "mixlib-cli"
 
   s.add_development_dependency "sinatra-contrib", "~> 1.3.1"