diff --git a/ui/Gemfile.lock b/ui/Gemfile.lock
index 5581db3..ae2caff 100644
--- a/ui/Gemfile.lock
+++ b/ui/Gemfile.lock
@@ -206,7 +206,7 @@ GEM
       execjs (>= 2.2.2, >= 2.2)
       less-rails (>= 2.5.0)
       railties (>= 3.1)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uglifier (2.7.2)
       execjs (>= 0.3.0)