diff --git a/tox.ini b/tox.ini
index 2832a2c..e7202e6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -25,8 +25,7 @@ deps =
     dj20: django<2.1
     djlast: django
     pg: psycopg2-binary
-    pytest<4.2
-    attrs<19.2
+    pytest
     pytest-mock
     pytest-django
     pytest-cov