diff --git a/requirements.txt b/requirements.txt
index 03ef07f..2ca0c51 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ django-grappelli==3.0.8
 djangorestframework==3.15.2
 future~=0.17.1
 gunicorn==20.0.4
-idna==2.9
+idna==3.7
 isodate==0.6.0
 lxml~=5.0
 mysql-connector-python==8.0.20