diff --git a/backend/Gemfile.lock b/backend/Gemfile.lock
index d9ce716..6f28cf2 100644
--- a/backend/Gemfile.lock
+++ b/backend/Gemfile.lock
@@ -208,7 +208,7 @@ GEM
     turbolinks (5.2.1)
       turbolinks-source (~> 5.2)
     turbolinks-source (5.2.0)
-    tzinfo (1.2.7)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     tzinfo-data (1.2020.1)
       tzinfo (>= 1.0.0)