diff --git a/inertia/tests/test_ssr.py b/inertia/tests/test_ssr.py
index 9779d68..8407f2e 100644
--- a/inertia/tests/test_ssr.py
+++ b/inertia/tests/test_ssr.py
@@ -1,3 +1,4 @@
+from json import dumps
 from inertia.test import InertiaTestCase, inertia_page, inertia_div
 from django.test import override_settings
 from unittest.mock import patch, Mock
@@ -24,7 +25,8 @@ def test_it_returns_ssr_calls(self, mock_request):
     
     mock_request.post.assert_called_once_with(
       'ssr-url/render',
-      json=inertia_page('props', props={'name': 'Brandon', 'sport': 'Hockey'}),
+      data=dumps(inertia_page('props', props={'name': 'Brandon', 'sport': 'Hockey'})),
+      headers={'Content-Type': 'application/json'}
     )
     self.assertTemplateUsed('inertia_ssr.html')
     print(response.content)
diff --git a/pyproject.toml b/pyproject.toml
index e3906d8..dec17da 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -20,8 +20,8 @@ packages = [
 ]
 
 [tool.poetry.dependencies]
-python = "^3.8"
-django = ">=4"
+python = ">=3.10"
+django = "^5.0"
 requests = "^2"
 
 [tool.poetry.dev-dependencies]