diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 2da695e..239946a 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -7,28 +7,27 @@ on:
 jobs:
   build:
 
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     strategy:
       matrix:
         python:
-          - "2.7"
-          - "3.5"
           - "3.6"
           - "3.7"
           - "3.8"
           - "3.9"
           - "3.10"
           - "3.11"
-          - pypy-2.7
+          - "3.12"
           - pypy-3.6
           - pypy-3.7
           - pypy-3.8
           - pypy-3.9
+          - pypy-3.10
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Python ${{ matrix.python }}
-        uses: actions/setup-python@v4
+        uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python }}
       - name: Install tox and any other packages
diff --git a/README.rst b/README.rst
index 103729a..76dcb5c 100644
--- a/README.rst
+++ b/README.rst
@@ -42,9 +42,9 @@ Installation and usage
 The following requirements are supported and tested in all reasonable
 combinations:
 
-- Python versions: 2.7, 3.5–3.11
+- Python versions: 3.6–3.12
 - Interpreters: CPython and PyPy.
-- Django versions: 1.11–4.1
+- Django versions: 1.11–5.0
 
 .. code:: shell
 
@@ -130,4 +130,4 @@ License
 
 The MPL 2.0 License
 
-Copyright (c) 2019-2023 `Friedel Wolff <https://fwolff.net.za/>`_.
+Copyright (c) 2019-2024 `Friedel Wolff <https://fwolff.net.za/>`_.
diff --git a/compression_middleware/middleware.py b/compression_middleware/middleware.py
index 9d6062f..a586288 100644
--- a/compression_middleware/middleware.py
+++ b/compression_middleware/middleware.py
@@ -18,7 +18,7 @@
 from .br import brotli_compress, brotli_compress_stream
 from .zstd import zstd_compress, zstd_compress_stream
 
-from django.middleware.gzip import (
+from django.utils.text import (
         compress_string as gzip_compress,
         compress_sequence as gzip_compress_stream,
 )
diff --git a/setup.py b/setup.py
index 7e5643a..36f4542 100644
--- a/setup.py
+++ b/setup.py
@@ -36,20 +36,22 @@
         'Framework :: Django :: 3.2',
         'Framework :: Django :: 4.0',
         'Framework :: Django :: 4.1',
+        'Framework :: Django :: 4.2',
+        'Framework :: Django :: 5.0',
         'Intended Audience :: Developers',
         'License :: OSI Approved :: Mozilla Public License 2.0 (MPL 2.0)',
         'Natural Language :: English',
         'Operating System :: OS Independent',
-        'Programming Language :: Python :: 2.7',
-        'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         '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',
         'Programming Language :: Python :: Implementation :: CPython',
         'Programming Language :: Python :: Implementation :: PyPy',
         'Topic :: Internet :: WWW/HTTP :: WSGI :: Middleware',
+        'Topic :: Internet :: WWW/HTTP :: ASGI :: Middleware',
     ]
 )
diff --git a/tox.ini b/tox.ini
index 8dcf641..a70c0cc 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,14 +1,15 @@
 [tox]
 envlist =
-    {py27}-django111-{brotlipy,Brotli}
-    {pypy}-django111-{brotlipy,Brotli}
-    py{34,35,36,37,py35,py36,py37}-django{111,20}-{brotlipy,Brotli}
-    py{35,36,37,py35,py36,py37}-django{21,22}-{brotlipy,Brotli}
-    py{38,py38}-django22-{brotlipy,Brotli}
-    py{36,37,38,39,py36,py37,py38,py39}-django{30,31,32}-{brotlipy,Brotli}
-    py310-django32-{brotlipy,Brotli}
-    py{38,39,310,py38,py39}-django{40,41}-{brotlipy,Brotli}
-    py311-django41-{brotlipy,Brotli}
+    py{36,37,py36,py37}-django111-{brotlipy,Brotli}
+    py{36,37,py36,py37}-django20-{brotlipy,Brotli}
+    py{36,37,py36,py37}-django21-{brotlipy,Brotli}
+    py{36,37,38,py36,py37,py38}-django22-{brotlipy,Brotli}
+    py{36,37,38,39,py36,py37,py38,py39}-django{30,31}-{brotlipy,Brotli}
+    py{36,37,38,39,310,py36,py37,py38,py39,py310}-django32-{brotlipy,Brotli}
+    py{38,39,310,py38,py39,py310}-django40-{brotlipy,Brotli}
+    py{38,39,310,311,py38,py39,py310}-django41-{brotlipy,Brotli}
+    py{38,39,310,311,312,py38,py39,py310}-django42-{brotlipy,Brotli}
+    py{310,311,312,py310}-django50-{brotlipy,Brotli}
 skip_missing_interpreters = true
 [testenv]
 setenv =
@@ -24,6 +25,8 @@ deps =
     django32:  Django>=3.2, < 4.0
     django40:  Django>=4.0, < 4.1
     django41:  Django>=4.1, < 4.2
+    django42:  Django>=4.2, < 4.3
+    django50:  Django>=5.0, < 5.1
     pytest>=3.1
     zstandard
     brotlipy: brotlipy
@@ -31,16 +34,15 @@ deps =
 
 [gh-actions]
 python =
-    2.7: py27
-    3.5: py35
     3.6: py36
     3.7: py37
     3.8: py38
     3.9: py39
     3.10: py310
     3.11: py311
-    pypy-2.7: pypy
+    3.12: py312
     pypy-3.6: pypy36
     pypy-3.7: pypy37
     pypy-3.8: pypy38
     pypy-3.9: pypy39
+    pypy-3.10: pypy310