diff --git a/tests/requirements.txt b/tests/requirements.txt
index 4676dca..33aa693 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -1,3 +1,3 @@
-django-haystack>=2.1.0,<2.2
+django-haystack>=2.1.0,<2.9
 queues
 Whoosh