diff --git a/Gemfile.lock b/Gemfile.lock
index e1732fcd..0f8d4b5b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -312,7 +312,7 @@ GEM
     thor (1.0.1)
     thread_safe (0.3.6)
     tilt (2.0.8)
-    tzinfo (1.2.9)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uglifier (4.1.18)
       execjs (>= 0.3.0, < 3)