diff --git a/Gemfile.lock b/Gemfile.lock
index a16d343..ca2c165 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -136,7 +136,7 @@ GEM
     transitions (0.0.9)
     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)