diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 2dbf822..c63742a 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -10,7 +10,13 @@ jobs:
       matrix:
         django: ["2.2", "3.0", "3.1", "3.2"]
         python-version: ["3.6", "3.7", "3.8", "3.9"]
-
+        include:
+          - django: "3.2"
+            python-version: "3.10"
+          - django: "4.0"
+            python-version: "3.10"
+          - django: "main"
+            python-version: "3.10"
     steps:
     - uses: actions/checkout@v2
     - name: Set up Python ${{ matrix.python-version }}
diff --git a/README.md b/README.md
index 5045e78..6f06ccc 100644
--- a/README.md
+++ b/README.md
@@ -55,7 +55,7 @@ from graphene_django.views import GraphQLView
 
 urlpatterns = [
     # ...
-    path('graphql', GraphQLView.as_view(graphiql=True)),
+    path('graphql/', GraphQLView.as_view(graphiql=True)),
 ]
 ```
 
diff --git a/docs/authorization.rst b/docs/authorization.rst
index 39305f6..bc88cda 100644
--- a/docs/authorization.rst
+++ b/docs/authorization.rst
@@ -198,7 +198,7 @@ For Django 2.2 and above:
 
     urlpatterns = [
       # some other urls
-      path('graphql', PrivateGraphQLView.as_view(graphiql=True, schema=schema)),
+      path('graphql/', PrivateGraphQLView.as_view(graphiql=True, schema=schema)),
     ]
 
 .. _LoginRequiredMixin: https://docs.djangoproject.com/en/dev/topics/auth/default/#the-loginrequired-mixin
diff --git a/graphene_django/debug/exception/formating.py b/graphene_django/debug/exception/formating.py
index ed7ebab..0d477b3 100644
--- a/graphene_django/debug/exception/formating.py
+++ b/graphene_django/debug/exception/formating.py
@@ -11,7 +11,7 @@ def wrap_exception(exception):
         exc_type=force_str(type(exception)),
         stack="".join(
             traceback.format_exception(
-                etype=type(exception), value=exception, tb=exception.__traceback__
+                exception, value=exception, tb=exception.__traceback__
             )
         ),
     )
diff --git a/graphene_django/management/commands/graphql_schema.py b/graphene_django/management/commands/graphql_schema.py
index 565f5d8..4165430 100644
--- a/graphene_django/management/commands/graphql_schema.py
+++ b/graphene_django/management/commands/graphql_schema.py
@@ -48,7 +48,7 @@ class CommandArguments(BaseCommand):
 class Command(CommandArguments):
     help = "Dump Graphene schema as a JSON or GraphQL file"
     can_import_settings = True
-    requires_system_checks = False
+    requires_system_checks = []
 
     def save_json_file(self, out, schema_dict, indent):
         with open(out, "w") as outfile:
diff --git a/graphene_django/tests/urls.py b/graphene_django/tests/urls.py
index 66b3fc4..3702ce5 100644
--- a/graphene_django/tests/urls.py
+++ b/graphene_django/tests/urls.py
@@ -1,8 +1,8 @@
-from django.conf.urls import url
+from django.urls import path
 
 from ..views import GraphQLView
 
 urlpatterns = [
-    url(r"^graphql/batch", GraphQLView.as_view(batch=True)),
-    url(r"^graphql", GraphQLView.as_view(graphiql=True)),
+    path("graphql/batch", GraphQLView.as_view(batch=True)),
+    path("graphql", GraphQLView.as_view(graphiql=True)),
 ]
diff --git a/graphene_django/tests/urls_inherited.py b/graphene_django/tests/urls_inherited.py
index 6fa8019..1e65da0 100644
--- a/graphene_django/tests/urls_inherited.py
+++ b/graphene_django/tests/urls_inherited.py
@@ -1,4 +1,4 @@
-from django.conf.urls import url
+from django.urls import path
 
 from ..views import GraphQLView
 from .schema_view import schema
@@ -10,4 +10,4 @@ class CustomGraphQLView(GraphQLView):
     pretty = True
 
 
-urlpatterns = [url(r"^graphql/inherited/$", CustomGraphQLView.as_view())]
+urlpatterns = [path("graphql/inherited/", CustomGraphQLView.as_view())]
diff --git a/graphene_django/tests/urls_pretty.py b/graphene_django/tests/urls_pretty.py
index 1133c87..6275934 100644
--- a/graphene_django/tests/urls_pretty.py
+++ b/graphene_django/tests/urls_pretty.py
@@ -1,6 +1,6 @@
-from django.conf.urls import url
+from django.urls import path
 
 from ..views import GraphQLView
 from .schema_view import schema
 
-urlpatterns = [url(r"^graphql", GraphQLView.as_view(schema=schema, pretty=True))]
+urlpatterns = [path("graphql", GraphQLView.as_view(schema=schema, pretty=True))]
diff --git a/graphene_django/utils/testing.py b/graphene_django/utils/testing.py
index 763196d..b91a02f 100644
--- a/graphene_django/utils/testing.py
+++ b/graphene_django/utils/testing.py
@@ -3,7 +3,7 @@ import warnings
 
 from django.test import Client, TestCase, TransactionTestCase
 
-DEFAULT_GRAPHQL_URL = "/graphql/"
+DEFAULT_GRAPHQL_URL = "/graphql"
 
 
 def graphql_query(
diff --git a/tox.ini b/tox.ini
index 7128afe..d65839a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,8 @@
 [tox]
 envlist =
-    py{36,37,38,39}-django{22,30,31,32,main},
+    py{36,37,38,39}-django{22,30,31},
+    py{36,37,38,39,310}-django32,
+    py{38,39,310}-django{40,main},
     black,flake8
 
 [gh-actions]
@@ -9,6 +11,7 @@ python =
     3.7: py37
     3.8: py38
     3.9: py39
+    3.10: py310
 
 [gh-actions:env]
 DJANGO =
@@ -16,6 +19,7 @@ DJANGO =
     3.0: django30
     3.1: django31
     3.2: django32
+    4.0: django40
     main: djangomain
 
 [testenv]
@@ -26,12 +30,11 @@ setenv =
 deps =
     -e.[test]
     psycopg2-binary
-    django20: Django>=2.0,<2.1
-    django21: Django>=2.1,<2.2
     django22: Django>=2.2,<3.0
-    django30: Django>=3.0a1,<3.1
+    django30: Django>=3.0,<3.1
     django31: Django>=3.1,<3.2
-    django32: Django>=3.2a1,<3.3
+    django32: Django>=3.2,<4.0
+    django40: Django>=4.0,<4.1
     djangomain: https://github.com/django/django/archive/main.zip
 commands = {posargs:py.test --cov=graphene_django graphene_django examples}