diff --git a/setup.cfg b/setup.cfg
index 0b226ea..aa3317f 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -24,15 +24,13 @@ classifiers =
 
 [options]
 python_requires = >=3.8
-packages = find_namespace:
-include_package_data = true
-zip_safe = false
 install_requires =
     six
-    Django >= 2.2
+    Django >= 3.2, < 6
     pycryptodome >= 3.9.7
     zeep
 
+
 [options.extras_require]
 dev =
     flake8
diff --git a/tox.ini b/tox.ini
index 9ef87a1..715c603 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py311,lint
+envlist = py38, py39, py310, py311, lint
 
 [flake8]
 max-line-length = 110