diff --git a/parent/Gemfile.lock b/parent/Gemfile.lock
index 36406fd..402327a 100644
--- a/parent/Gemfile.lock
+++ b/parent/Gemfile.lock
@@ -174,7 +174,7 @@ 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)
     web-console (4.0.1)
       actionview (>= 6.0.0)