diff --git a/requirements.txt b/requirements.txt
index fcceff72..9d9f7221 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,7 +14,7 @@ Flask-Migrate==4.0.4
 Flask-SQLAlchemy==3.1.1 # broken
 Flask-WTF==1.1.1
 greenlet==3.0.3
-idna==3.4
+idna==3.10
 itsdangerous==2.1.2
 Jinja2==3.1.2
 Mako==1.2.4