diff --git a/tox.ini b/tox.ini
index 060f2e7..5d3725c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -56,7 +56,7 @@ deps:
 	pytest-freezegun
 	xmlschema<1.1
 	enum34<=1.1.6
-	psycopg2-binary
+	psycopg2-binary<2.9
 	black: pre-commit
 commands =
 	./getlasso3.sh