diff --git a/Gemfile.lock b/Gemfile.lock
index e8c6bac..ab4e41e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -86,7 +86,7 @@ GEM
     jquery-rails (2.0.2)
       railties (>= 3.2.0, < 5.0)
       thor (~> 0.14)
-    json (1.7.4)
+    json (1.8.6)
     launchy (2.1.0)
       addressable (~> 2.2.6)
     libwebsocket (0.1.5)