diff --git a/Gemfile.lock b/Gemfile.lock
index f336e5e..76ca851 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -110,7 +110,7 @@ GEM
       polyglot (>= 0.3.1)
     turn (0.8.2)
       ansi (>= 1.2.2)
-    tzinfo (0.3.28)
+    tzinfo (0.3.29)
     uglifier (1.0.0)
       execjs (>= 0.3.0)
       multi_json (>= 1.0.2)