diff --git a/Gemfile.lock b/Gemfile.lock
index 9185762..126362b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -6,7 +6,7 @@ GEM
       multi_json (~> 1.0)
     diff-lcs (1.1.3)
     i18n (0.6.0)
-    json (1.7.4)
+    json (2.3.0)
     mime-types (1.19)
     multi_json (1.3.6)
     nokogiri (1.5.5)