diff --git a/website/Gemfile.lock b/website/Gemfile.lock
index 1ad6eb6f1c81..8939f3a4e70e 100644
--- a/website/Gemfile.lock
+++ b/website/Gemfile.lock
@@ -140,7 +140,7 @@ GEM
     turbolinks (5.1.0)
       turbolinks-source (~> 5.1)
     turbolinks-source (5.1.0)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     uber (0.0.15)
     uglifier (2.7.2)