diff --git a/requirements.txt b/requirements.txt
index 0703776..3f6e2bf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ entrypoints==0.3
 enum-compat==0.0.3
 filelock==3.0.12
 future==0.18.2
-idna==2.10
+idna==3.7
 ipykernel==5.3.4
 ipython==7.16.3
 ipython-genutils==0.2.0