diff --git a/Gemfile.lock b/Gemfile.lock
index 25fe77d05..3e557681e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -644,7 +644,7 @@ GEM
       rack (>= 1.3, < 3)
       rack-accept (~> 0.4)
       tilt (>= 1.4, < 3)
-    tzinfo (1.2.9)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)