diff --git a/tox.ini b/tox.ini
index d3bd83cb03..9ccc4dc0eb 100644
--- a/tox.ini
+++ b/tox.ini
@@ -603,6 +603,7 @@ deps =
     quart-v0.16: quart~=0.16.0
     quart-v0.19: Werkzeug>=3.0.0
     quart-v0.19: quart~=0.19.0
+    {py3.8}-quart: taskgroup==0.0.0a4
     quart-latest: quart
 
     # Ray