diff --git a/Gemfile.lock b/Gemfile.lock
index d65f69c..7c6e086 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -95,7 +95,7 @@ GEM
       mime-types (~> 1.16)
       treetop (~> 1.4.8)
     mime-types (1.18)
-    multi_json (1.2.0)
+    multi_json (1.3.1)
     orm_adapter (0.0.7)
     pg (0.13.2)
     polyglot (0.3.3)