diff --git a/Gemfile.lock b/Gemfile.lock
index f83f974..c0dc1d2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -154,7 +154,7 @@ GEM
       hashie (>= 0.2.2)
       oauth (~> 0.4.2)
       yajl-ruby (>= 0.7.7)
-    tzinfo (0.3.33)
+    tzinfo (0.3.61)
     uglifier (1.2.6)
       execjs (>= 0.3.0)
       multi_json (~> 1.3)