diff --git a/requirements.txt b/requirements.txt
index d55625b781..c547019775 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -46,7 +46,7 @@ glyphsLib==6.2.2
 glyphtools==0.8.0
 h11==0.14.0
 hyperglot==0.4.5
-idna==3.4
+idna==3.7
 Jinja2==3.1.2
 kurbopy==0.9.0
 lxml==4.9.2