diff --git a/Gemfile.lock b/Gemfile.lock
index ac8a442..a8da255 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -374,7 +374,7 @@ GEM
       execjs
       rails (>= 3.1)
       railties (>= 3.1)
-    tzinfo (0.3.38)
+    tzinfo (0.3.61)
     uglifier (2.2.0)
       execjs (>= 0.3.0)
       multi_json (~> 1.0, >= 1.0.2)