diff --git a/cla-backend/requirements.txt b/cla-backend/requirements.txt
index f14cee204..0c12922be 100644
--- a/cla-backend/requirements.txt
+++ b/cla-backend/requirements.txt
@@ -19,7 +19,7 @@ future==0.18.3
 gossip==2.3.1
 gunicorn==19.9.0
 hug==2.6.0
-idna==2.8
+idna==3.7
 importlib-metadata==1.6.1
 Jinja2==2.11.3
 jmespath==0.9.4