diff --git a/services/notification-service/requirements.txt b/services/notification-service/requirements.txt
index 377be3d..cba13b4 100644
--- a/services/notification-service/requirements.txt
+++ b/services/notification-service/requirements.txt
@@ -5,5 +5,5 @@ motor==3.6.1
 pydantic==2.9.2
 pydantic-settings==2.5.2
 aiokafka==0.11.0
-aiosmtplib==3.0.1
+aiosmtplib==5.1.1
 jinja2==3.1.4