diff --git a/requirements.txt b/requirements.txt
index b6016ff..f206b1b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -16,7 +16,7 @@ google-auth-oauthlib==0.4.1
 google-pasta==0.2.0
 grpcio==1.53.2
 h5py==2.10.0
-idna==2.9
+idna==3.8
 importlib-metadata==1.5.0
 ipykernel==5.1.4
 ipython-genutils==0.2.0