diff --git a/Gemfile.lock b/Gemfile.lock
index da46d79..87d2342 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -180,7 +180,7 @@ GEM
       less-rails (~> 2.2.2)
       railties (>= 3.1)
       therubyracer (= 0.10.1)
-    tzinfo (0.3.33)
+    tzinfo (0.3.61)
     uglifier (1.2.6)
       execjs (>= 0.3.0)
       multi_json (~> 1.3)