diff --git a/requirements.txt b/requirements.txt
index 486548b..3d5d6bb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@ requests>=2.32,<3
 pandas>=2.2,<4
 numpy>=2.2,<3
 python-dotenv>=1.0.1,<2
-tzdata>=2025.2
+tzdata>=2026.3
 APScheduler>=3.11,<4
 python-telegram-bot>=22,<23
 psycopg2-binary>=2.9,<3