diff --git a/machine-learning-box/multi-touch-attribution/requirements.txt b/machine-learning-box/multi-touch-attribution/requirements.txt
index 4d5c38ff..066e9484 100644
--- a/machine-learning-box/multi-touch-attribution/requirements.txt
+++ b/machine-learning-box/multi-touch-attribution/requirements.txt
@@ -10,7 +10,7 @@ google-auth-oauthlib==0.4.1
 google-pasta==0.2.0
 grpcio==1.31.0
 h5py==2.10.0
-idna==2.10
+idna==3.7
 importlib-metadata==1.7.0
 Keras-Preprocessing==1.1.2
 Markdown==3.2.2