diff --git a/requirements.txt b/requirements.txt
index 65e0909..f24d8b5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -24,7 +24,7 @@ httpx2>=2.4.0
 sqlalchemy>=2.0.50
 
 # Security (core/security.py)
-cryptography>=48.0.0
+cryptography>=49.0.0
 
 # HTML sanitization (core/telegram_util.py)
 bleach>=6.3.0