diff --git a/Gemfile b/Gemfile
index 71d8c197a..b6d66e53f 100644
--- a/Gemfile
+++ b/Gemfile
@@ -61,7 +61,7 @@ gem 'jammit', '0.6.5'
 
 # JSON and API
 
-gem 'json', '1.5.2'
+gem 'json'
 gem 'vanna', :git => 'git://github.com/MikeSofaer/vanna.git'
 gem 'acts_as_api'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index fd8cc7999..0758beb38 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -207,7 +207,7 @@ GEM
       rspec (>= 1.3.1)
       selenium-webdriver (>= 0.1.3)
     jasmine-core (1.1.0)
-    json (1.5.2)
+    json (1.6.4)
     jsonpath (0.4.2)
       multi_json
     jwt (0.1.3)
@@ -442,7 +442,7 @@ DEPENDENCIES
   i18n-inflector-rails (~> 1.0)
   jammit (= 0.6.5)
   jasmine (~> 1.1.2)
-  json (= 1.5.2)
+  json
   jwt (= 0.1.3)
   linecache (= 0.46)
   messagebus_ruby_api (= 1.0.1)