diff --git a/Gemfile.lock b/Gemfile.lock
index de25ec0..fbce4d3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -5,7 +5,7 @@ GEM
     coderay (1.1.0)
     eventmachine (1.0.6)
     haml (3.1.6)
-    json (1.7.3)
+    json (2.3.0)
     kgio (2.7.4)
     method_source (0.8.2)
     pry (0.10.1)