diff --git a/authservice/requirements.txt b/authservice/requirements.txt
index 8e598bc8..643fb98e 100644
--- a/authservice/requirements.txt
+++ b/authservice/requirements.txt
@@ -9,7 +9,7 @@ cryptography==3.3.2
 gunicorn==20.0.4
 python-dateutil==2.8.0
 python-dotenv==0.10.3
-gevent==20.9.0
+gevent==23.9.1
 
 ../lib/auth-middleware