diff --git a/tox.ini b/tox.ini
index f492a23..1fbd827 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,19 +1,15 @@
 [tox]
 envlist =
-    {py36,py37,py38,py39}-django-32
-    {py36,py37,py38,py39}-django-31
-    {py36,py37,py38,py39}-django-30
-    {py36,py37,py38,py39}-django-22
-    {py36,py37,py38,py39}-django-21
+    py{38,39,310,311,312}-django42
+    py{310,311,312}-django50
+    py{310,311,312}-django51
 
 [testenv]
 setenv =
     PYTHONPATH = {toxinidir}:{toxinidir}/payments_payu
 commands = coverage run --source payments_payu runtests.py
 deps =
-    django-21: Django>=2.1,<2.2
-    django-22: Django>=2.2,<3.0
-    django-30: Django>=3.0,<3.1
-    django-31: Django>=3.1,<3.2
-    django-32: Django>=3.2,<4.0
+    django42: Django<4.3
+    django50: Django<5.1
+    django51: Django>=5.1a1,<5.2
     -r{toxinidir}/requirements_test.txt