diff --git a/tox.ini b/tox.ini
index 9e51b9a..0740f24 100644
--- a/tox.ini
+++ b/tox.ini
@@ -17,7 +17,7 @@ deps =
 	dj111: django>=1.11,<1.12
 	coverage
     django_webtest
-    psycopg2
+    psycopg2<2.9
 	pytest
 	pytest-cov
 	pytest-django