diff --git a/Gemfile.lock b/Gemfile.lock
index a72e52a..5f1b582 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -164,7 +164,7 @@ GEM
     turbolinks (5.1.0)
       turbolinks-source (~> 5.1)
     turbolinks-source (5.2.0)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     websocket-driver (0.6.5)
       websocket-extensions (>= 0.1.0)