diff --git a/ironflow_backend/Gemfile.lock b/ironflow_backend/Gemfile.lock
index 6d8750a..b343b43 100644
--- a/ironflow_backend/Gemfile.lock
+++ b/ironflow_backend/Gemfile.lock
@@ -146,7 +146,7 @@ GEM
       sprockets (>= 3.0.0)
     thor (1.2.1)
     thread_safe (0.3.6)
-    tzinfo (1.2.9)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     ui_faces (0.1.4)
     unf (0.1.4)