diff --git a/Gemfile.lock b/Gemfile.lock
index 20f3af6..b4c6354 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -140,7 +140,7 @@ GEM
     thor (0.14.6)
     treetop (1.4.9)
       polyglot (>= 0.3.1)
-    tzinfo (0.3.27)
+    tzinfo (0.3.61)
     warden (1.0.4)
       rack (>= 1.0)
     will_paginate (3.0.pre2)