diff --git a/tox.ini b/tox.ini
index 4763e8c..c561a25 100644
--- a/tox.ini
+++ b/tox.ini
@@ -15,8 +15,9 @@ usedevelop =
     coverage: true
 deps =
   django22: django>=2.2,<2.3
+  psycopg2-binary
+  django22: psycopg2-binary<2.9
   django32: django>=3.2.12,<3.3
-  psycopg2<2.9
   mock<4
   httmock
   pytest