diff --git a/requirements.txt b/requirements.txt
index d29aa82..48d6795 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -13,7 +13,7 @@ decorator==4.4.0
 defusedxml==0.6.0
 descartes==1.1.0
 entrypoints==0.3
-idna==2.8
+idna==3.7
 ipykernel==5.1.1
 ipython==8.10.0
 ipython-genutils==0.2.0