diff --git a/Gemfile.lock b/Gemfile.lock
index 111036fe9..cdea0f7c1 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -702,7 +702,7 @@ GEM
       polyglot (>= 0.3.1)
     trollop (2.1.2)
     twitter-bootstrap-rails-confirm (1.0.6)
-    tzinfo (0.3.53)
+    tzinfo (0.3.61)
     uglifier (4.1.1)
       execjs (>= 0.3.0, < 3)
     unf (0.1.4)