diff --git a/backend/requirements.txt b/backend/requirements.txt
index c08a16b..06af0ad 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -22,7 +22,7 @@ APScheduler==3.10.4
 python-crontab==3.0.0
 croniter==6.2.2
 python-dateutil==2.9.0
-aiosmtplib==3.0.2
+aiosmtplib==5.1.2
 sentry-sdk[fastapi]==2.19.0
 jinja2>=3.1.0
 prometheus-client==0.21.0