diff --git a/requirements.txt b/requirements.txt
index 80f1e0bf..78f29700 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ djangorestframework==3.9.1
 djangorestframework-yaml==1.0.3
 enum34==1.1.6
 hyperlink==17.3.1
-idna==2.6
+idna==3.7
 incremental==17.5.0
 ipaddress==1.0.18
 msgpack-python==0.4.8