diff --git a/requirements.txt b/requirements.txt
index 652e6ac..51e66eb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ django-grappelli==3.0.8
 djangorestframework==3.14.0
 future~=0.17.1
 gunicorn==20.0.4
-idna==2.9
+idna==3.7
 isodate==0.6.0
 lxml~=4.9
 mysql-connector-python==8.0.20