diff --git a/sub-project/Gemfile.lock b/sub-project/Gemfile.lock
index 459cea7d..a67b7f07 100644
--- a/sub-project/Gemfile.lock
+++ b/sub-project/Gemfile.lock
@@ -122,7 +122,7 @@ GEM
     test-unit (3.3.6)
       power_assert
     thread_safe (0.3.6)
-    tzinfo (1.2.8)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unicode-display_width (1.7.0)
     zeitwerk (2.4.1)