diff --git a/requirements.txt b/requirements.txt
index 90175264..139b5a7e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ Flask-Login==0.6.3
 Flask-Migrate==4.0.4
 Flask-SQLAlchemy==3.1.1 # broken
 Flask-WTF==1.1.1
-greenlet==3.1.1
+greenlet==3.5.1
 idna==3.10
 itsdangerous==2.1.2
 Jinja2==3.1.2