diff --git a/Gemfile.lock b/Gemfile.lock
index 40d91be2..8508b2d9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -358,7 +358,7 @@ GEM
     thread_safe (0.3.6)
     tilt (2.0.10)
     timecop (0.9.4)
-    tzinfo (1.2.9)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)