diff --git a/Gemfile.lock b/Gemfile.lock
index 008ef63..46a4731 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -83,7 +83,7 @@ GEM
     mime-types (1.25.1)
     mini_portile (0.5.2)
     minitest (4.7.5)
-    multi_json (1.8.4)
+    multi_json (1.9.0)
     nested_form (0.3.2)
     nokogiri (1.6.1)
       mini_portile (~> 0.5.0)