diff --git a/requirements.txt b/requirements.txt
index 37d4f88..87bac1d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 # Does not supports Django 4.0.0
-django>=3.2.18,!=4.0.*,<4.3
+django>=3.2.18,!=4.0.0.a,<5.1
 openwisp-utils @ https://github.com/openwisp/openwisp-utils/tarball/master
 jsonfield>=3.1.0,<4.0.0
 cryptography~=42.0.2