diff --git a/requirements.txt b/requirements.txt
index 168549a..61b2144 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ grpc-google-iam-v1==0.12.3
 grpcio==1.30.0
 grpcio-gcp==0.2.2
 httplib2==0.18.1
-idna==2.10
+idna==3.7
 keyring==17.1.1
 keyrings.alt==3.1.1
 mock==4.0.2