diff --git a/setup.py b/setup.py
index 0ca3348..1e6766a 100644
--- a/setup.py
+++ b/setup.py
@@ -37,7 +37,7 @@
 bottle_extras = {"bottle<1"} | trigger_extras
 quart_extras = {"quart<0.18"} | trigger_extras
 
-dev_extras = {"WebTest==2.0.*", "tox==3.*"}
+dev_extras = {"WebTest==3.0.*", "tox==3.*"}
 
 all_extras = (
     trigger_extras