diff --git a/Gemfile.lock b/Gemfile.lock
index e8e28cd..87d176c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -153,7 +153,7 @@ GEM
     thor (0.20.3)
     thread_safe (0.3.6)
     tilt (1.4.1)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uber (0.0.15)
     uglifier (2.7.2)