diff --git a/Gemfile.lock b/Gemfile.lock
index b6d613f..44821b5 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -212,7 +212,7 @@ GEM
       execjs
       rails (>= 3.1)
       railties (>= 3.1)
-    tzinfo (0.3.44)
+    tzinfo (0.3.61)
     uglifier (2.4.0)
       execjs (>= 0.3.0)
       json (>= 1.8.0)