diff --git a/requirements.txt b/requirements.txt
index f67bd6f..c435e27 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -85,6 +85,6 @@ URLObject==2.4.3
 virtualenv==20.1.0
 visitor==0.1.3
 Werkzeug==1.0.1
-WTForms==2.3.1
+WTForms==2.3.3
 WTForms-SQLAlchemy==0.2
 zipp==3.4.0