diff --git a/Gemfile.lock b/Gemfile.lock
index d700360..de8e8c0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -7,7 +7,7 @@ GEM
       abstract (>= 1.0.0)
     ffi (1.0.9)
     i18n (0.5.0)
-    json (1.5.1)
+    json (1.5.5)
     mario (0.0.6)
     net-scp (1.0.4)
       net-ssh (>= 1.99.1)