diff --git a/Gemfile.lock b/Gemfile.lock
index 2b45257..f26bfc6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -18,7 +18,7 @@ GEM
     compass-import-once (1.0.4)
       sass (>= 3.2, < 3.5)
     ffi (1.9.3)
-    json (1.8.1)
+    json (2.3.1)
     listen (1.1.6)
       rb-fsevent (>= 0.9.3)
       rb-inotify (>= 0.9)