diff --git a/Gemfile.lock b/Gemfile.lock
index 17e7bb8..188b909 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,7 +7,7 @@ GEM
     coffee-script-source (1.6.3)
     execjs (1.4.0)
       multi_json (~> 1.0)
-    json (1.8.0)
+    json (2.3.0)
     libv8 (3.11.8.17)
     mime-types (1.24)
     mini_portile (0.5.1)