diff --git a/requirements.txt b/requirements.txt
index 638534e..d2774d1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ hpack==3.0.0
 httpcore==0.3.0
 httptools==0.0.13
 hyperframe==5.2.0
-idna==2.8
+idna==3.7
 idna-ssl==1.1.0
 importlib-metadata==0.18
 lxml==4.9.1