diff --git a/requirements.txt b/requirements.txt
index 13e9e2b..ec16279 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -81,7 +81,7 @@ greenlet==2.0.1
 gunicorn==20.1.0
 hsmodels==1.0.0
 html5lib==1.1
-idna==3.4
+idna==3.7
 inflection==0.3.1
 iniconfig==1.1.1
 ipaddress==1.0.22