diff --git a/Gemfile.lock b/Gemfile.lock
index 7057e03..2ce95ff 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -176,7 +176,7 @@ GEM
     turbolinks (5.2.0)
       turbolinks-source (~> 5.2)
     turbolinks-source (5.2.0)
-    tzinfo (1.2.5)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     web-console (4.0.0)
       actionview (>= 6.0.0.a)