diff --git a/requirements.txt b/requirements.txt
index db2dcc7b..cfef0932 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ Flask-Mail==0.9.1
 Flask-Migrate==4.0.0
 Flask-RESTful==0.3.9
 Flask-SQLAlchemy==2.5.1
-greenlet==2.0.1
+greenlet==3.1.1
 gunicorn==20.1.0
 idna==2.10
 itsdangerous==2.0.1