diff --git a/requirements.txt b/requirements.txt
index 0f06a88..a74114b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -71,7 +71,7 @@ grpcio==1.24.3
 h5py==2.9.0
 HeapDict==1.0.1
 hyperopt==0.2.3
-idna==2.8
+idna==3.15
 imageio==2.8.0
 imgaug==0.2.6
 importlib-metadata==1.3.0