diff --git a/tox.ini b/tox.ini
index 6a2a3d1..39f5804 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,9 +1,8 @@
 [tox]
 envlist = py, lint, mypy
-skipsdist = True
 
 [testenv]
-deps = -rrequirements-dev.txt
+extras = dev
 commands =
     pytest -q