diff --git a/Gemfile.lock b/Gemfile.lock
index ac657d9..95fd3f6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -156,7 +156,7 @@ GEM
       actionpack (>= 3.1)
       less-rails (~> 2.2.0)
       railties (>= 3.1)
-    tzinfo (0.3.33)
+    tzinfo (0.3.61)
     uglifier (1.2.7)
       execjs (>= 0.3.0)
       multi_json (~> 1.3)