diff --git a/Gemfile.lock b/Gemfile.lock
index 8a1f398..70c0a6d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -166,9 +166,9 @@ GEM
       polyglot
       polyglot (>= 0.3.1)
     tzinfo (0.3.38)
-    uglifier (2.2.1)
+    uglifier (2.3.0)
       execjs (>= 0.3.0)
-      multi_json (~> 1.0, >= 1.0.2)
+      json (>= 1.8.0)
     validates_formatting_of (0.8.0)
       activemodel (~> 3.0)
     warden (1.2.3)