diff --git a/tox.ini b/tox.ini
index ec169a1..b8c78ff 100644
--- a/tox.ini
+++ b/tox.ini
@@ -37,7 +37,7 @@ deps =
   WebTest
   mock<4
   httmock
-  psycopg2-binary
+  psycopg2-binary<2.9
   pylint<1.8
   pylint-django<0.8.1
   django-webtest<1.9.3