diff --git a/setup.py b/setup.py
index d75ca2c45..d427dbec8 100644
--- a/setup.py
+++ b/setup.py
@@ -56,7 +56,7 @@ def run(self):
         'celery~=5.0',
         'channels>=2.0',
         'Django~=2.2',
-        'django-ajax-selects~=1.9',
+        'django-ajax-selects>=1.9,<3.0',
         'django-ical~=1.7',
         'django-mptt~=0.10',
         'django-paypal~=1.0.0',
diff --git a/tests/requirements.txt b/tests/requirements.txt
index 92ae307b9..998c8c588 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -2,7 +2,7 @@
 celery==5.1.2
 channels==3.0.4
 Django==2.2.24
-django-ajax-selects==1.9.1
+django-ajax-selects==2.2.0
 django-ical==1.8.0
 django-paypal==1.0.0
 django-mptt==0.13.3