diff --git a/Gemfile.lock b/Gemfile.lock
index b9a5eaa..9e377e0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -170,7 +170,7 @@ GEM
     turbolinks (5.2.1)
       turbolinks-source (~> 5.2)
     turbolinks-source (5.2.0)
-    tzinfo (1.2.6)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uglifier (4.2.0)
       execjs (>= 0.3.0, < 3)
@@ -203,7 +203,6 @@ DEPENDENCIES
   selenium-webdriver
   sqlite3
   turbolinks (~> 5)
-  tzinfo-data
   uglifier (>= 1.3.0)
   web-console (>= 3.3.0)