diff --git a/Gemfile.lock b/Gemfile.lock
index 791aee3..4e68bc1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -129,7 +129,7 @@ GEM
     tilt (1.4.1)
     turbolinks (1.3.1)
       coffee-rails
-    tzinfo (0.3.41)
+    tzinfo (0.3.61)
     uglifier (1.3.0)
       execjs (>= 0.3.0)
       multi_json (~> 1.0, >= 1.0.2)