diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index aab608e..fdf68e2 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -7,27 +7,28 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        grappelli: ["0"]
-        python-version: ["3.8"]
-        django-version: ["3.2"]
+        grappelli: ["0", "1"]
+        python-version: ["3.11"]
+        django-version: ["4.2"]
+        exclude:
+          - python-version: "3.11"
+            grappelli: "1"
         include:
-          - grappelli: "0"
-            name-suffix: ""
           - python-version: "3.9"
-            django-version: "4.0"
+            django-version: "4.2"
+            grappelli: "1"
+          - python-version: "3.9"
+            django-version: "5.0"
+            grappelli: "0"
           - python-version: "3.10"
-            django-version: "4.1"
-          - grappelli: "1"
-            name-suffix: " + grappelli"
-            python-version: "3.7"
-            django-version: "3.2"
-          - grappelli: "1"
-            name-suffix: " + grappelli"
-            python-version: "3.8"
-            django-version: "4.0"
+            django-version: "5.0"
+            grappelli: "1"
+          - python-version: "3.12"
+            django-version: "5.1"
+            grappelli: "0"
 
     runs-on: ubuntu-latest
-    name: Django ${{ matrix.django-version }} (Python ${{ matrix.python-version }})${{ matrix.name-suffix }}
+    name: Django ${{ matrix.django-version }} (Python ${{ matrix.python-version }})${{ matrix.grappelli == '1' && ' + grappelli' || '' }}
 
     env:
       DJANGO: ${{ matrix.django-version }}
@@ -45,7 +46,8 @@ jobs:
         python-version: ${{ matrix.python-version }}
 
     - name: Setup chromedriver
-      uses: nanasess/setup-chromedriver@v1.0.5
+      # uses: nanasess/setup-chromedriver@v2.2.2
+      uses: nanasess/setup-chromedriver@42cc2998329f041de87dc3cfa33a930eacd57eaa
 
     - name: Install tox
       run: |
diff --git a/nested_admin/nested.py b/nested_admin/nested.py
index 12429d1..1cc505c 100644
--- a/nested_admin/nested.py
+++ b/nested_admin/nested.py
@@ -193,9 +193,11 @@ def inline_formset_data(self):
                     "lookupAutocomplete": getattr(
                         self.opts, "autocomplete_lookup_fields", {}
                     ),
-                    "formsetFkName": self.formset.fk.name
-                    if getattr(self.formset, "fk", None)
-                    else "",
+                    "formsetFkName": (
+                        self.formset.fk.name
+                        if getattr(self.formset, "fk", None)
+                        else ""
+                    ),
                     "formsetFkModel": formset_fk_model,
                     "nestingLevel": getattr(self.formset, "nesting_depth", 0),
                     "fieldNames": {
@@ -538,13 +540,15 @@ def __init__(self, *args, **kwargs):
         _get_formsets = ModelAdmin._get_formsets
 
     def get_formset(self, request, obj=None, **kwargs):
-        FormSet = BaseFormSet = kwargs.pop("formset", self.formset)
+        BaseFormSet = kwargs.pop("formset", self.formset)
 
         if self.sortable_field_name:
 
             class FormSet(BaseFormSet):
                 sortable_field_name = self.sortable_field_name
 
+        else:
+            FormSet = BaseFormSet
         kwargs["formset"] = FormSet
         return super().get_formset(request, obj, **kwargs)
 
diff --git a/nested_admin/polymorphic.py b/nested_admin/polymorphic.py
index 311bc3d..da4034f 100644
--- a/nested_admin/polymorphic.py
+++ b/nested_admin/polymorphic.py
@@ -148,13 +148,15 @@ class Child(
         formset = NestedBasePolymorphicInlineFormSet
 
         def get_formset(self, request, obj=None, **kwargs):
-            FormSet = BaseFormSet = kwargs.pop("formset", self.formset)
+            BaseFormSet = kwargs.pop("formset", self.formset)
 
             if self.sortable_field_name:
 
                 class FormSet(BaseFormSet):
                     sortable_field_name = self.sortable_field_name
 
+            else:
+                FormSet = BaseFormSet
             kwargs["formset"] = FormSet
             return super(PolymorphicInlineModelAdmin.Child, self).get_formset(
                 request, obj, **kwargs
@@ -186,13 +188,16 @@ class Child(
         formset = NestedBaseGenericPolymorphicInlineFormSet
 
         def get_formset(self, request, obj=None, **kwargs):
-            FormSet = BaseFormSet = kwargs.pop("formset", self.formset)
+            BaseFormSet = kwargs.pop("formset", self.formset)
 
             if self.sortable_field_name:
 
                 class FormSet(BaseFormSet):
                     sortable_field_name = self.sortable_field_name
 
+            else:
+                FormSet = BaseFormSet
+
             kwargs["formset"] = FormSet
             return super(GenericPolymorphicInlineModelAdmin.Child, self).get_formset(
                 request, obj, **kwargs
diff --git a/nested_admin/tests/admin_widgets/tests.py b/nested_admin/tests/admin_widgets/tests.py
index c7bbff3..8f4527f 100644
--- a/nested_admin/tests/admin_widgets/tests.py
+++ b/nested_admin/tests/admin_widgets/tests.py
@@ -107,7 +107,7 @@ def check_datetime(self, indexes):
             now_link_xpath = "following-sibling::*[1]/a[1]"
         date_el.clear()
         time_el.clear()
-        self.click(date_el.find_element_by_xpath(now_link_xpath))
+        self.click(date_el.find_element(By.XPATH, now_link_xpath))
         if self.has_grappelli:
             selector = "#ui-datepicker-div .ui-state-highlight"
             with self.clickable_selector(selector, timeout=1) as el:
@@ -119,7 +119,7 @@ def check_datetime(self, indexes):
                     "Datepicker widget did not close",
                 )
         time.sleep(0.2)
-        self.click(time_el.find_element_by_xpath(now_link_xpath))
+        self.click(time_el.find_element(By.XPATH, now_link_xpath))
         if self.has_grappelli:
             selector = "#ui-timepicker .ui-state-active"
             with self.clickable_selector(selector, timeout=1) as el:
@@ -153,7 +153,7 @@ def check_m2m(self, indexes):
     def check_fk(self, indexes):
         field = self.get_field("fk1", indexes)
         parent = field.get_property("parentNode").get_property("parentNode")
-        add_related = parent.find_element_by_css_selector(".add-related")
+        add_related = parent.find_element(By.CSS_SELECTOR, ".add-related")
         if self.has_grappelli:
             # Grappelli can be very slow to initialize fk bindings, particularly
             # when run on travis-ci
@@ -185,7 +185,7 @@ def check_gfk_related_lookup(self, indexes):
             % object_id_field_id,
         )
 
-        lookup_el = self.selenium.find_element_by_css_selector(related_lookup_selector)
+        lookup_el = self.selenium.find_element(By.CSS_SELECTOR, related_lookup_selector)
         lookup_el.click()
         with self.switch_to_popup_window():
             with self.clickable_xpath('//tr//a[text()="Zither"]') as el:
@@ -195,7 +195,7 @@ def check_gfk_related_lookup(self, indexes):
         z_pk = "%s" % WidgetsM2M.objects.get(name="Zither").pk
 
         def element_value_populated(d):
-            el = d.find_element_by_css_selector("#%s" % object_id_field_id)
+            el = d.find_element(By.CSS_SELECTOR, "#%s" % object_id_field_id)
             return el.get_attribute("value")
 
         self.wait_until(
@@ -376,8 +376,8 @@ def test_autocomplete_single_init(self):
         self.load_admin()
         self.add_inline()
         self.add_inline([1])
-        autocomplete_elements = self.selenium.find_elements_by_xpath(
-            '//*[@id="id_widgetsa_set-1-widgetsb_set-0-fk2-autocomplete"]'
+        autocomplete_elements = self.selenium.find_elements(
+            By.XPATH, '//*[@id="id_widgetsa_set-1-widgetsb_set-0-fk2-autocomplete"]'
         )
         self.assertNotEqual(
             len(autocomplete_elements), 0, "Zero autocomplete fields initialized"
@@ -405,7 +405,7 @@ def test_nested_autocomplete_extra(self):
         self.add_inline([0, [0]])
         self.add_inline([0, 1, [0]])
         select_field = self.get_field("fk3", indexes=[0, 1, [0, 0]])
-        select_parent = select_field.find_element_by_xpath("parent::*")
+        select_parent = select_field.find_element(By.XPATH, "parent::*")
         select_parent.click()
         select2_is_active = self.selenium.execute_script(
             'return $(".select2-search__field").length > 0'
diff --git a/nested_admin/tests/base.py b/nested_admin/tests/base.py
index aff9e05..9bd17a7 100644
--- a/nested_admin/tests/base.py
+++ b/nested_admin/tests/base.py
@@ -12,6 +12,8 @@
 from django.contrib.admin.sites import site as admin_site
 
 from selenosis import AdminSelenosisTestCase
+from selenium.webdriver.common.by import By
+from selenium.webdriver.common.actions.pointer_input import PointerInput
 from .drag_drop import DragAndDropAction
 from .utils import xpath_item, is_sequence, is_integer, is_str, ElementRect
 
@@ -34,6 +36,20 @@ class BaseNestedAdminTestCase(AdminSelenosisTestCase):
     def setUpClass(cls):
         super().setUpClass()
 
+        # Increase speed of move_to_element action
+        PointerInput.DEFAULT_MOVE_DURATION = 1
+
+        if not hasattr(PointerInput.create_pointer_move, "_patched"):
+            orig_create_pointer_move = PointerInput.create_pointer_move
+
+            def create_pointer_move(self, *args, **kwargs):
+                kwargs["duration"] = 1
+                return orig_create_pointer_move(self, *args, **kwargs)
+
+            create_pointer_move._patched = True
+
+            PointerInput.create_pointer_move = create_pointer_move
+
         root_admin = admin_site._registry[cls.root_model]
 
         def descend_admin_inlines(admin):
@@ -180,7 +196,7 @@ def save_form(self):
             )
         )
         name_attr = "_continue" if has_continue else "_save"
-        self.click(self.selenium.find_element_by_xpath('//*[@name="%s"]' % name_attr))
+        self.click(self.selenium.find_element(By.XPATH, '//*[@name="%s"]' % name_attr))
         if has_continue:
             self.wait_page_loaded()
             self.initialize_page()
@@ -362,15 +378,15 @@ def get_group(self, indexes=None):
             ]
         expr_parts += ["/*[@data-inline-model='%s']" % model_name]
         expr = "/%s" % ("/".join(expr_parts))
-        return self.selenium.find_element_by_xpath(expr)
+        return self.selenium.find_element(By.XPATH, expr)
 
     def get_item(self, indexes):
         indexes = self._normalize_indexes(indexes)
         model_name, item_index = indexes.pop()
         indexes.append(model_name)
         group = self.get_group(indexes=indexes)
-        return group.find_element_by_xpath(
-            ".//*[%s][%d]" % (xpath_item(model_name), item_index + 1)
+        return group.find_element(
+            By.XPATH, ".//*[%s][%d]" % (xpath_item(model_name), item_index + 1)
         )
 
     def add_inline(self, indexes=None, name=None, slug=None):
@@ -442,7 +458,7 @@ def get_form_field_selector(self, attname, indexes=None):
     def get_field(self, attname, indexes=None):
         indexes = self._normalize_indexes(indexes)
         field_selector = self.get_form_field_selector(attname, indexes=indexes)
-        return self.selenium.find_element_by_css_selector(field_selector)
+        return self.selenium.find_element(By.CSS_SELECTOR, field_selector)
 
     def set_field(self, attname, value, indexes=None):
         indexes = self._normalize_indexes(indexes)
diff --git a/nested_admin/tests/drag_drop.py b/nested_admin/tests/drag_drop.py
index ab45559..5cd1827 100644
--- a/nested_admin/tests/drag_drop.py
+++ b/nested_admin/tests/drag_drop.py
@@ -2,6 +2,7 @@
 import time
 
 from selenium.webdriver.common.action_chains import ActionChains
+from selenium.webdriver.common.by import By
 
 from .utils import xpath_cls, xpath_item, is_integer, Position, Size, ElementRect
 
@@ -107,7 +108,7 @@ def source(self):
                         "*[%s]" % xpath_cls("djn-drag-handler"),
                     ]
                 )
-            self._source = source_item.find_element_by_xpath(drag_handler_xpath)
+            self._source = source_item.find_element(By.XPATH, drag_handler_xpath)
         return self._source
 
     @property
@@ -127,7 +128,7 @@ def target(self):
                     "item_pred": xpath_item(),
                     "item_pos": self.to_indexes[-1][1] + 1,
                 }
-            self._target = target_inline_parent.find_element_by_xpath(target_xpath)
+            self._target = target_inline_parent.find_element(By.XPATH, target_xpath)
         return self._target
 
     def initialize_drag(self):
@@ -140,6 +141,10 @@ def initialize_drag(self):
                 document.documentElement.scrollTop += (top - 16);
             } else {
                 el.scrollIntoView();
+                top = el.getBoundingClientRect().top;
+                if (top <= 15) {
+                    document.documentElement.scrollTop += (top - 16);
+                }
             }
         """,
             source,
@@ -148,15 +153,15 @@ def initialize_drag(self):
 
         (
             ActionChains(self.selenium)
-            .move_to_element_with_offset(source, 5, 5)
+            .move_to_element_with_offset(source, 3, 3)
             .click_and_hold()
             .perform()
         )
 
         time.sleep(0.05)
-        ActionChains(self.selenium).move_by_offset(0, -15).perform()
+        ActionChains(self.selenium).move_by_offset(0, -10).perform()
         time.sleep(0.05)
-        ActionChains(self.selenium).move_by_offset(0, 15).perform()
+        ActionChains(self.selenium).move_by_offset(0, 10).perform()
 
         with self.test_case.visible_selector(".ui-sortable-helper") as el:
             return el
@@ -189,7 +194,7 @@ def _match_helper_with_target(self, helper_element, target_element):
             15, min(viewport_height // 3, (2 * inline_height) // 3, abs(dy) // 2)
         )
 
-        max_iter = 50
+        max_iter = 120
         i = 0
         prev_pos_diff = None
         direction = None
@@ -220,9 +225,9 @@ def _match_helper_with_target(self, helper_element, target_element):
                 if flip_count > 3:
                     increment = 10
                 elif flip_count > 5:
-                    increment = 5
+                    increment = 2
                 else:
-                    increment = max(abs(dy // 2), flip_count * flip_multiplier)
+                    increment = min(abs(dy // 2), flip_count * flip_multiplier)
                 direction_flip *= -1
             direction = pos_diff * direction_flip
             inc = increment * direction
@@ -252,7 +257,7 @@ def _num_preceding_siblings(self, ctx, condition):
         is extraordinarily slow. So we just grab all siblings and iterate
         through the elements in python.
         """
-        siblings = ctx.find_element_by_xpath("parent::*").find_elements_by_xpath("*")
+        siblings = ctx.find_element(By.XPATH, "parent::*").find_elements(By.XPATH, "*")
         count = 0
         for el in siblings:
             if el.id == ctx.id:
@@ -278,8 +283,8 @@ def is_djn_group(el):
 
     @property
     def current_position(self):
-        placeholder = self.selenium.find_element_by_css_selector(
-            ".ui-sortable-placeholder"
+        placeholder = self.selenium.find_element(
+            By.CSS_SELECTOR, ".ui-sortable-placeholder"
         )
         pos = []
         ctx = None
@@ -288,10 +293,10 @@ def current_position(self):
             if ctx is None:
                 ctx = placeholder
             else:
-                ctx = ctx.find_element_by_xpath(ancestor_xpath)
+                ctx = ctx.find_element(By.XPATH, ancestor_xpath)
             item_index = self._num_preceding_djn_items(ctx)
-            ctx = ctx.find_element_by_xpath(
-                "ancestor::*[%s][1]" % xpath_cls("djn-group")
+            ctx = ctx.find_element(
+                By.XPATH, "ancestor::*[%s][1]" % xpath_cls("djn-group")
             )
             inline_index = self._num_preceding_djn_groups(ctx)
             pos.insert(0, (inline_index, item_index))
diff --git a/nested_admin/tests/nested_polymorphic/base.py b/nested_admin/tests/nested_polymorphic/base.py
index f384aed..2331007 100644
--- a/nested_admin/tests/nested_polymorphic/base.py
+++ b/nested_admin/tests/nested_polymorphic/base.py
@@ -1,5 +1,6 @@
 from django.apps import apps
 from polymorphic.utils import get_base_polymorphic_model
+from selenium.webdriver.common.by import By
 
 from nested_admin.tests.base import BaseNestedAdminTestCase
 from nested_admin.tests.utils import (
@@ -149,14 +150,15 @@ def get_item(self, indexes):
         except TypeError:
             group = self.get_group(indexes=group_indexes + [model_id])
         group_id = group.get_attribute("id")
-        djn_items = self.selenium.find_element_by_css_selector(
+        djn_items = self.selenium.find_element(
+            By.CSS_SELECTOR,
             "#%(id)s > .djn-fieldset > .djn-items, "
             "#%(id)s > .tabular.inline-related > .djn-fieldset > .djn-items, "
-            "#%(id)s > .djn-items" % {"id": group_id}
+            "#%(id)s > .djn-items" % {"id": group_id},
         )
         model_name, item_index = indexes[-1]
-        return djn_items.find_element_by_xpath(
-            "./*[%s][%d]" % (xpath_item(), item_index + 1)
+        return djn_items.find_element(
+            By.XPATH, "./*[%s][%d]" % (xpath_item(), item_index + 1)
         )
 
     def delete_inline(self, indexes):
@@ -214,7 +216,7 @@ def add_inline(self, indexes=None, model=None, **kwargs):
                 ctx_id, base_model_identifier, level
             )
         )
-        add_els = self.selenium.find_elements_by_css_selector(add_selector)
+        add_els = self.selenium.find_elements(By.CSS_SELECTOR, add_selector)
         self.assertNotEqual(
             len(add_els), 0, "No inline add handlers found for %s" % (error_desc)
         )
@@ -236,15 +238,17 @@ def add_inline(self, indexes=None, model=None, **kwargs):
         )
         group_id = group_el.get_attribute("id")
 
-        items_el = self.selenium.find_element_by_css_selector(
+        items_el = self.selenium.find_element(
+            By.CSS_SELECTOR,
             "#%(id)s > .djn-fieldset > .djn-items, "
             "#%(id)s > .tabular.inline-related > .djn-fieldset > .djn-items, "
-            "#%(id)s > .djn-items" % {"id": group_id}
+            "#%(id)s > .djn-items" % {"id": group_id},
         )
 
         num_inlines = len(
-            items_el.find_elements_by_xpath(
-                "./*[{} and not({})]".format(xpath_item(), xpath_cls("djn-empty-form"))
+            items_el.find_elements(
+                By.XPATH,
+                "./*[{} and not({})]".format(xpath_item(), xpath_cls("djn-empty-form")),
             )
         )
 
@@ -265,10 +269,11 @@ def remove_inline(self, indexes):
     def get_num_inlines(self, indexes=None):
         group = self.get_group(indexes=indexes)
         group_id = group.get_attribute("id")
-        djn_items = self.selenium.find_element_by_css_selector(
+        djn_items = self.selenium.find_element(
+            By.CSS_SELECTOR,
             "#%(id)s > .djn-fieldset > .djn-items, "
             "#%(id)s > .tabular.inline-related > .djn-fieldset > .djn-items, "
-            "#%(id)s > .djn-items" % {"id": group_id}
+            "#%(id)s > .djn-items" % {"id": group_id},
         )
         selector = "> .djn-item:not(.djn-no-drag,.djn-item-dragging,.djn-thead,.djn-empty-form)"
         return self.selenium.execute_script(
@@ -288,4 +293,4 @@ def get_group(self, indexes=None):
             "/*[@data-inline-model='%s' and %s]" % (model_name, xpath_cls("djn-group"))
         ]
         expr = "/%s" % ("/".join(expr_parts))
-        return self.selenium.find_element_by_xpath(expr)
+        return self.selenium.find_element(By.XPATH, expr)
diff --git a/nested_admin/tests/nested_polymorphic/test_polymorphic_mixed_nesting/tests.py b/nested_admin/tests/nested_polymorphic/test_polymorphic_mixed_nesting/tests.py
index 2b15e6c..aa63369 100644
--- a/nested_admin/tests/nested_polymorphic/test_polymorphic_mixed_nesting/tests.py
+++ b/nested_admin/tests/nested_polymorphic/test_polymorphic_mixed_nesting/tests.py
@@ -1,5 +1,6 @@
 from unittest import SkipTest
 from django.test import TestCase
+from selenium.webdriver.common.by import By
 
 from .models import (
     Block,
@@ -47,8 +48,8 @@ def test_polymorphic_child_formset_rendering(self):
 
         inline_ids = [
             el.get_attribute("id")
-            for el in self.selenium.find_elements_by_css_selector(
-                '.djn-group:not([id*="-empty-"]'
+            for el in self.selenium.find_elements(
+                By.CSS_SELECTOR, '.djn-group:not([id*="-empty-"]'
             )
         ]
 
@@ -64,8 +65,8 @@ def test_polymorphic_child_formset_rendering(self):
 
         inline_ids = [
             el.get_attribute("id")
-            for el in self.selenium.find_elements_by_css_selector(
-                '.djn-group:not([id*="-empty-"]'
+            for el in self.selenium.find_elements(
+                By.CSS_SELECTOR, '.djn-group:not([id*="-empty-"]'
             )
         ]
 
diff --git a/nested_admin/tests/one_deep/tests.py b/nested_admin/tests/one_deep/tests.py
index c0ead55..b818d93 100644
--- a/nested_admin/tests/one_deep/tests.py
+++ b/nested_admin/tests/one_deep/tests.py
@@ -25,6 +25,7 @@ def find_executable(arg):
 from django.conf import settings
 from django.contrib.admin.sites import site as admin_site
 from django.test import override_settings
+from selenium.webdriver.common.by import By
 
 try:
     from storages.backends.s3boto3 import S3Boto3Storage
@@ -147,7 +148,7 @@ def _block_out_arg(self, selector):
         Generate the --block-out argument passed to pixelmatch that excludes
         an element from the diff
         """
-        el = self.selenium.find_element_by_css_selector(selector)
+        el = self.selenium.find_element(By.CSS_SELECTOR, selector)
         return [
             "--block-out",
             "{x},{y},{w},{h}".format(
@@ -165,7 +166,7 @@ def exclude_from_screenshots(self, imgs, exclude=None):
         exclude = exclude or []
         rects = []
         for selector in exclude:
-            el = self.selenium.find_element_by_css_selector(selector)
+            el = self.selenium.find_element(By.CSS_SELECTOR, selector)
             x0, y0 = el.location["x"], el.location["y"]
             w, h = el.size["width"], el.size["height"]
             x1, y1 = x0 + w, y0 + h
diff --git a/nested_admin/tests/two_deep/tests.py b/nested_admin/tests/two_deep/tests.py
index c40f47e..9025a78 100644
--- a/nested_admin/tests/two_deep/tests.py
+++ b/nested_admin/tests/two_deep/tests.py
@@ -2,6 +2,7 @@
 import tempfile
 import time
 from unittest import SkipTest
+from selenium.webdriver.common.by import By
 
 from nested_admin.tests.base import BaseNestedAdminTestCase
 from .models import (
@@ -997,7 +998,7 @@ def test_add_item_inline_label_update(self):
         ) as el:
             el.send_keys("Test 2")
 
-        inline_label = self.get_item([0, 1]).find_element_by_class_name("inline_label")
+        inline_label = self.get_item([0, 1]).find_element(By.CLASS_NAME, "inline_label")
         self.assertEqual(inline_label.text, "#2")
 
     def test_upload_file(self):
diff --git a/tox.ini b/tox.ini
index 4fc5547..6f1843b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,7 +3,10 @@ envlist =
     py{36,37,38,39}-dj22-{grp,nogrp}
     py{36,37,38,39,310}-dj32-{grp,nogrp}
     py{38,39,310}-dj40-{grp,nogrp}
-    py{38,39,310}-dj41-nogrp
+    py{38,39,310,311}-dj41-{grp,nogrp}
+    py{38,39,310,311,312}-dj42-{grp,nogrp}
+    py{310,311,312}-dj50-{grp,nogrp}
+    py{310,311,312}-dj51-nogrp
     black,flake8
 skipsdist=True
 
@@ -24,17 +27,27 @@ passenv =
     DATABASE_URL
 deps =
     -e.[test]
-    selenium==3.141.0
+    selenium
     coverage
     django-polymorphic
+    # setuptools is required until a django-polymorphic release includes
+    # the fix for jazzband/django-polymorphic#599
+    setuptools
     boto3
     django-storages
     dj22: Django>=2.2,<3.0
     dj32: Django>=3.2,<4.0
     dj40: Django>=4.0,<4.1
+    dj41: Django>=4.1,<4.2
+    dj42: Django>=4.2,<4.3
+    dj50: Django>=5.0,<5.1
+    dj51: Django>=5.1a1,<5.2
     dj22-grp: django-grappelli>=2.13,<2.14
     dj32-grp: django-grappelli>=2.15,<2.16
-    dj40-grp: django-grappelli>=3.0,<3.1
+    dj40-grp: django-grappelli==3.0.8
+    dj41-grp: django-grappelli==3.0.8
+    dj42-grp: django-grappelli>=3.0,<3.1
+    dj50-grp: django-grappelli>=4.0,<4.1
 
 [testenv:black]
 basepython = python3.9
@@ -79,6 +92,8 @@ python =
     3.8: py38
     3.9: py39
     3.10: py310
+    3.11: py311
+    3.12: py312
 
 [gh-actions:env]
 DJANGO =
@@ -86,6 +101,9 @@ DJANGO =
     3.2: dj32
     4.0: dj40
     4.1: dj41
+    4.2: dj42
+    5.0: dj50
+    5.1: dj51
 GRAPPELLI =
     0: nogrp
     1: grp