diff --git a/requirements.txt b/requirements.txt
index 87c3499..d443375 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ h11==0.8.1
 h5py==2.10.0
 html5lib==1.0.1
 httptools==0.0.13
-idna==2.8
+idna==3.7
 importlib-metadata==3.3.0
 iniconfig==1.1.1
 ipaddr==2.2.0