diff --git a/tox.ini b/tox.ini
index 80cce49..4fb1928 100644
--- a/tox.ini
+++ b/tox.ini
@@ -26,7 +26,7 @@ deps =
   djangorestframework>=3.9.2,<3.10
   pip>8
   pytest-flakes
-  pg: psycopg2
+  pg: psycopg2<2.9
   coverage
   pytest-cov
   pytest-django