diff --git a/Gemfile.lock b/Gemfile.lock
index 4b1bad7..87b1e3d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -178,7 +178,7 @@ GEM
     turbolinks (5.2.1)
       turbolinks-source (~> 5.2)
     turbolinks-source (5.2.0)
-    tzinfo (1.2.9)
+    tzinfo (1.2.11)
       thread_safe (~> 0.1)
     web-console (4.1.0)
       actionview (>= 6.0.0)