diff --git a/requirements.txt b/requirements.txt
index a5f4ca8..262bff7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ Flask-WTF==1.1.1
 fonttools==4.43.0
 greenlet==3.0.0
 gunicorn==21.2.0
-idna==3.4
+idna==3.7
 imagesize==1.4.1
 importlib-resources==5.12.0
 itsdangerous==2.1.2