diff --git a/Gemfile.lock b/Gemfile.lock
index df7c68846..26cbdf48b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -404,7 +404,7 @@ GEM
     turbolinks-source (5.2.0)
     turn (0.9.6)
       ansi
-    tzinfo (1.2.7)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)