diff --git a/blog/Gemfile.lock b/blog/Gemfile.lock
index 5f903b6..6d04b60 100644
--- a/blog/Gemfile.lock
+++ b/blog/Gemfile.lock
@@ -68,7 +68,7 @@ GEM
     terminal-table (2.0.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
     thread_safe (0.3.6)
-    tzinfo (1.2.9)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     tzinfo-data (1.2021.1)
       tzinfo (>= 1.0.0)