diff --git a/Gemfile.lock b/Gemfile.lock
index 7caa583..357d577 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -145,7 +145,7 @@ GEM
       actionpack (>= 3.1)
       execjs
       railties (>= 3.1)
-    tzinfo (0.3.37)
+    tzinfo (0.3.61)
     uglifier (2.0.1)
       execjs (>= 0.3.0)
       multi_json (~> 1.0, >= 1.0.2)