diff --git a/requirements-dev.txt b/requirements-dev.txt
index 7364fc0..d264d50 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -7,7 +7,7 @@ detect-secrets==0.13.0
 gitdb2==4.0.1
 GitPython==3.0.5
 identify==1.4.11
-idna==2.9
+idna==3.8
 importlib-metadata==1.4.0
 importlib-resources==1.0.2
 more-itertools==8.2.0