diff --git a/Gemfile b/Gemfile
index a88f281a..e85b0cd1 100644
--- a/Gemfile
+++ b/Gemfile
@@ -6,7 +6,7 @@ gem 'rest-client'
 group :scripts do
   gem 'sinatra'
   gem 'pusher'
-  gem 'json'
+  gem 'json', '>= 2.3.0'
   gem 'thin'
   gem 'uuid'
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index acab6ddc..4da3ecb7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -69,7 +69,7 @@ GEM
       domain_name (~> 0.5)
     httpclient (2.8.0)
     i18n (0.8.1)
-    json (2.0.3)
+    json (2.3.0)
     macaddr (1.7.1)
       systemu (~> 2.6.2)
     mime-types (2.99.2)
@@ -125,7 +125,7 @@ PLATFORMS
 DEPENDENCIES
   cocoapods (>= 1.2.0)
   ios-sim-test!
-  json
+  json (>= 2.3.0)
   pusher
   rake
   rest-client
@@ -136,4 +136,4 @@ DEPENDENCIES
   xcodeproj
 
 BUNDLED WITH
-   1.13.6
+   1.17.3