diff --git a/Gemfile.lock b/Gemfile.lock
index 6b315c6..272580e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,7 +2,7 @@ GEM
   remote: http://rubygems.org/
   specs:
     curb (0.8.1)
-    json (1.5.1)
+    json (1.5.5)
     macaddr (1.6.1)
       systemu (~> 2.5.0)
     systemu (2.5.2)