diff --git a/requirements.txt b/requirements.txt
index 940b9d9..992ec2a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,4 +16,4 @@ sniffio==1.3.1 ; python_version >= "3.9" and python_version < "4.0"
 sortedcontainers==2.4.0 ; python_version >= "3.9" and python_version < "4.0"
 trio-serial==0.4.0 ; python_version >= "3.9" and python_version < "4.0"
 trio==0.25.1 ; python_version >= "3.9" and python_version < "4.0"
-tzdata==2024.1 ; python_version >= "3.9" and python_version < "4.0"
+tzdata==2025.2 ; python_version >= "3.9" and python_version < "4.0"