diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 51ffe02..999d66e 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        python: ['3.9', '3.10', '3.11', '3.12']
 
     steps:
       - uses: actions/checkout@v3
@@ -37,33 +37,33 @@ jobs:
         env:
           DB: sqlite
 
-  test-postgres:
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        python: ['3.8', '3.9', '3.10', '3.11', '3.12']
+  # test-postgres:
+  #   runs-on: ubuntu-latest
+  #   strategy:
+  #     matrix:
+  #       python: ['3.12']
 
-    services:
-      postgres:
-        image: ${{ matrix.postgres || 'postgres:12' }}
-        env:
-          POSTGRES_PASSWORD: postgres
-        ports:
-          - 5432:5432
-        options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5
+  #   services:
+  #     postgres:
+  #       image: ${{ matrix.postgres || 'postgres:12' }}
+  #       env:
+  #         POSTGRES_PASSWORD: postgres
+  #       ports:
+  #         - 5432:5432
+  #       options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5
 
-    steps:
-      - uses: actions/checkout@v3
-      - name: Set up Python ${{ matrix.python }}
-        uses: actions/setup-python@v4
-        with:
-          python-version: ${{ matrix.python }}
-      - name: Install
-        run: |
-          python -m pip install --upgrade pip setuptools wheel
-          python -m pip install .[ci]
-      - name: Test
-        run: tox # -- --exclude exclude-in-github-actions # temporary workaround
-        env:
-          DATABASE_URL: postgres://postgres:postgres@localhost:5432/wagtail_devtools
-          DB: postgres
+  #   steps:
+  #     - uses: actions/checkout@v3
+  #     - name: Set up Python ${{ matrix.python }}
+  #       uses: actions/setup-python@v4
+  #       with:
+  #         python-version: ${{ matrix.python }}
+  #     - name: Install
+  #       run: |
+  #         python -m pip install --upgrade pip setuptools wheel
+  #         python -m pip install .[ci]
+  #     - name: Test
+  #       run: tox # -- --exclude exclude-in-github-actions # temporary workaround
+  #       env:
+  #         DATABASE_URL: postgres://postgres:postgres@localhost:5432/wagtail_devtools
+  #         DB: postgres
diff --git a/README.md b/README.md
index f4a6118..e3d4fb3 100644
--- a/README.md
+++ b/README.md
@@ -6,9 +6,9 @@ A set of developer tools in the form of management commands.
 
 ## Supported versions
 
-- Python 3.8+
-- Django 3.2+
-- Wagtail 4.1+
+- Python 3.9+
+- Django 4.2+
+- Wagtail 5.2+
 
 ## Features
 
diff --git a/pyproject.toml b/pyproject.toml
index 5eadf12..ba04ff6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,23 +15,24 @@ classifiers = [
     "Operating System :: OS Independent",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
     "Framework :: Django",
-    "Framework :: Django :: 3.2",
-    "Framework :: Django :: 4.1",
     "Framework :: Django :: 4.2",
+    "Framework :: Django :: 5.0",
+    "Framework :: Django :: 5.1",
     "Framework :: Wagtail",
     "Framework :: Wagtail :: 4",
     "Framework :: Wagtail :: 5",
+    "Framework :: Wagtail :: 6",
 ]
-requires-python = ">=3.8"
+requires-python = ">=3.9"
 dynamic = ["version"]
 dependencies = [
-    "Django>=3.2",
-    "Wagtail>=4.1,<6.0",
+    "Django>=4.2",
+    "Wagtail>=4.2",
 ]
 [project.optional-dependencies]
 testing = [
diff --git a/tox.ini b/tox.ini
index d09ed35..9062931 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,13 +3,12 @@ skipsdist = True
 usedevelop = True
 
 envlist =
-    python{3.8,3.9,3.10,3.11}-django{3.2,4.1}-wagtail{4.1,4.2}-{sqlite,postgres}
-    python{3.8,3.9,3.10,3.11}-django{3.2,4.1,4.2}-wagtail{5.0,5.1,5.2}-{sqlite,postgres}
-    python3.12-django5.0-wagtail5.2-sqlite
+    python3.9-django4.2-wagtail{5.2,6.0,6.1,6.2,6.3}-wagtailmodeladmin-sqlite
+    python{3.10,3.11,3.12}-django{4.2,5.0}-wagtail{5.2,6.0,6.1,6.2,6.3}-wagtailmodeladmin-sqlite
+    python3.12-django5.1-wagtail6.3-wagtailmodeladmin-sqlite
 
 [gh-actions]
 python =
-    3.8: python3.8
     3.9: python3.9
     3.10: python3.10
     3.11: python3.11
@@ -27,7 +26,6 @@ commands =
     coverage report -m
 
 basepython =
-    python3.8: python3.8
     python3.9: python3.9
     python3.10: python3.10
     python3.11: python3.11
@@ -36,16 +34,17 @@ basepython =
 deps =
     coverage
 
-    django3.2: Django>=3.2,<4.0
-    django4.1: Django>=4.1,<4.2
     django4.2: Django>=4.2,<4.3
     django5.0: Django>=5.0,<5.1
+    django5.1: Django>=5.1,<5.2
 
-    wagtail4.1: wagtail>=4.1,<4.2
-    wagtail4.2: wagtail>=4.2,<4.3
-    wagtail5.0: wagtail>=5.0,<5.1
-    wagtail5.1: wagtail>=5.1,<5.2
     wagtail5.2: wagtail>=5.2,<5.3
+    wagtail6.0: wagtail>=6.0,<6.1
+    wagtail6.1: wagtail>=6.1,<6.2
+    wagtail6.2: wagtail>=6.2,<6.3
+    wagtail6.3: wagtail>=6.3,<6.4
+
+    wagtailmodeladmin: wagtail-modeladmin
 
     postgres: psycopg2>=2.6
 
diff --git a/wagtail_devtools/api/serializers.py b/wagtail_devtools/api/serializers.py
index 1db2f30..d2a78d3 100644
--- a/wagtail_devtools/api/serializers.py
+++ b/wagtail_devtools/api/serializers.py
@@ -1,6 +1,6 @@
 from django.apps import apps
 from wagtail.admin.admin_url_finder import AdminURLFinder
-from wagtail.models.collections import Collection
+from wagtail.models import Collection
 from wagtail.snippets.models import get_snippet_models
 
 from wagtail_devtools.api.dataclasses import (
diff --git a/wagtail_devtools/management/commands/_base_admin_responses.py b/wagtail_devtools/management/commands/_base_admin_responses.py
index ad03449..e8cd535 100644
--- a/wagtail_devtools/management/commands/_base_admin_responses.py
+++ b/wagtail_devtools/management/commands/_base_admin_responses.py
@@ -4,14 +4,20 @@
 from django.conf import settings
 from django.contrib.auth import get_user_model
 from django.core.management.base import BaseCommand, CommandError
+from wagtail import VERSION as WAGTAIL_VERSION
 from wagtail.admin.admin_url_finder import AdminURLFinder
 from wagtail.admin.utils import get_admin_base_url
-from wagtail.contrib.modeladmin.helpers import AdminURLHelper
+
+
+if WAGTAIL_VERSION < (6, 0):
+    from wagtail.contrib.modeladmin.helpers import AdminURLHelper
+else:
+    from wagtail_modeladmin.helpers import AdminURLHelper
+
 from wagtail.contrib.settings.registry import registry as settings_registry
 from wagtail.documents import get_document_model
 from wagtail.images import get_image_model
-from wagtail.models import get_page_models
-from wagtail.models.collections import Collection
+from wagtail.models import Collection, get_page_models
 from wagtail.snippets.models import get_snippet_models
 
 
diff --git a/wagtail_devtools/test/management/commands/build_fixtures.py b/wagtail_devtools/test/management/commands/build_fixtures.py
index a36821e..99ce1d1 100644
--- a/wagtail_devtools/test/management/commands/build_fixtures.py
+++ b/wagtail_devtools/test/management/commands/build_fixtures.py
@@ -9,8 +9,7 @@
 from wagtail.contrib.search_promotions.models import Query, SearchPromotion
 from wagtail.documents.models import Document as WagtailDocument
 from wagtail.images.models import Image as WagtailImage
-from wagtail.models import Page, Site
-from wagtail.models.collections import Collection
+from wagtail.models import Collection, Page, Site
 
 from wagtail_devtools.test.models import (
     FormFieldOne,
diff --git a/wagtail_devtools/test/settings.py b/wagtail_devtools/test/settings.py
index 7723b1b..e8651e3 100644
--- a/wagtail_devtools/test/settings.py
+++ b/wagtail_devtools/test/settings.py
@@ -12,6 +12,8 @@
 
 import dj_database_url
 
+from wagtail import VERSION as WAGTAIL_VERSION
+
 
 # Build paths inside the project like this: os.path.join(PROJECT_DIR, ...)
 PROJECT_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
@@ -47,7 +49,7 @@
     "wagtail.search",
     "wagtail.admin",
     "wagtail.api.v2",
-    "wagtail.contrib.modeladmin",
+    "wagtail.contrib.modeladmin" if WAGTAIL_VERSION < (6, 0) else "wagtail_modeladmin",
     "wagtail.contrib.routable_page",
     "wagtail.contrib.styleguide",
     "wagtail.sites",
diff --git a/wagtail_devtools/test/tests/test_build_fixtures.py b/wagtail_devtools/test/tests/test_build_fixtures.py
index a1e8d52..2f928f8 100644
--- a/wagtail_devtools/test/tests/test_build_fixtures.py
+++ b/wagtail_devtools/test/tests/test_build_fixtures.py
@@ -12,8 +12,7 @@
 from wagtail.contrib.settings.registry import registry as settings_registry
 from wagtail.documents import get_document_model
 from wagtail.images import get_image_model
-from wagtail.models import Page, Site
-from wagtail.models.collections import Collection
+from wagtail.models import Collection, Page, Site
 from wagtail.snippets.models import get_snippet_models
 
 
diff --git a/wagtail_devtools/test/views.py b/wagtail_devtools/test/views.py
index e6145de..ccda85e 100644
--- a/wagtail_devtools/test/views.py
+++ b/wagtail_devtools/test/views.py
@@ -4,8 +4,14 @@
 from django.shortcuts import render
 from django.template.response import TemplateResponse
 from django.utils import timezone
+from wagtail import VERSION as WAGTAIL_VERSION
 from wagtail.models import Page
-from wagtail.search.models import Query
+
+
+if WAGTAIL_VERSION < (6, 0):
+    from wagtail.search.models import Query
+else:
+    from wagtail.contrib.search_promotions.models import Query
 
 
 def search(request):
diff --git a/wagtail_devtools/test/wagtail_hooks.py b/wagtail_devtools/test/wagtail_hooks.py
index b813b52..0a24155 100644
--- a/wagtail_devtools/test/wagtail_hooks.py
+++ b/wagtail_devtools/test/wagtail_hooks.py
@@ -1,7 +1,13 @@
 from django.urls import path, reverse
+from wagtail import VERSION as WAGTAIL_VERSION
 from wagtail import hooks
 from wagtail.admin.menu import Menu, MenuItem, SubmenuMenuItem
-from wagtail.contrib.modeladmin.options import ModelAdmin, modeladmin_register
+
+
+if WAGTAIL_VERSION < (6, 0):
+    from wagtail.contrib.modeladmin.options import ModelAdmin, modeladmin_register
+else:
+    from wagtail_modeladmin.options import ModelAdmin, modeladmin_register
 
 from wagtail_devtools.test.views import example_calendar, example_calendar_month