diff --git a/Gemfile.lock b/Gemfile.lock
index 0bfefe1..8caee3a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -113,7 +113,7 @@ 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)