diff --git a/RailsProjects/toy_app/Gemfile.lock b/RailsProjects/toy_app/Gemfile.lock
index e23a714..cf1ed0e 100644
--- a/RailsProjects/toy_app/Gemfile.lock
+++ b/RailsProjects/toy_app/Gemfile.lock
@@ -172,7 +172,7 @@ GEM
     turbolinks (5.2.1)
       turbolinks-source (~> 5.2)
     turbolinks-source (5.2.0)
-    tzinfo (1.2.8)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     web-console (4.1.0)
       actionview (>= 6.0.0)