diff --git a/Gemfile.lock b/Gemfile.lock
index d12422f..017b416 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -334,7 +334,7 @@ GEM
       rails (> 4.1, < 5.2)
     turbolinks (2.5.4)
       coffee-rails
-    tzinfo (1.2.7)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uglifier (4.1.20)
       execjs (>= 0.3.0, < 3)