diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index d3645366..2daa57bc 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -15,11 +15,11 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9"]
-        django-version: ["2.2", "3.1", "3.2", "4.0"]
+        python-version: ["3.8", "3.9", "3.10"]
+        django-version: ["3.2", "4.0"]
         include:
-        - python-version: "3.10"
-          django-version: "4.0"
+        - python-version: "3.7"
+          django-version: "3.2"
 
     steps:
     - uses: actions/checkout@v2
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index c06a4d20..0f8808b6 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -13,7 +13,7 @@ repos:
       - id: debug-statements
 
   - repo: https://github.com/asottile/pyupgrade
-    rev: v2.31.0
+    rev: v2.31.1
     hooks:
       - id: pyupgrade
         args: [--py36-plus]
@@ -32,15 +32,15 @@ repos:
         args: ['--settings-path=pyproject.toml']
 
   - repo: https://github.com/psf/black
-    rev: 21.12b0
+    rev: 22.3.0
     hooks:
       - id: black
 
   - repo: https://github.com/adamchainz/django-upgrade
-    rev: 1.3.2
+    rev: 1.4.0
     hooks:
       - id: django-upgrade
-        args: [--target-version, "2.2"]
+        args: [--target-version, "3.2"]
 
   - repo: https://github.com/pycqa/flake8
     rev: 4.0.1
diff --git a/djangosaml2/utils.py b/djangosaml2/utils.py
index d81b259e..1b4e824a 100644
--- a/djangosaml2/utils.py
+++ b/djangosaml2/utils.py
@@ -22,14 +22,10 @@
 from django.core.exceptions import ImproperlyConfigured
 from django.http import HttpResponse, HttpResponseRedirect
 from django.shortcuts import resolve_url
-from saml2.mdstore import MetaDataMDX
-
-try:
-    from django.utils.http import url_has_allowed_host_and_scheme
-except ImportError:  # django 2.2
-    from django.utils.http import is_safe_url as url_has_allowed_host_and_scheme
+from django.utils.http import url_has_allowed_host_and_scheme
 
 from saml2.config import SPConfig
+from saml2.mdstore import MetaDataMDX
 from saml2.s_utils import UnknownSystemEntity
 
 logger = logging.getLogger(__name__)
diff --git a/setup.py b/setup.py
index 13e8f606..5ec88ccd 100644
--- a/setup.py
+++ b/setup.py
@@ -27,7 +27,7 @@ def read(*rnames):
 
 setup(
     name="djangosaml2",
-    version="1.4.0",
+    version="1.5.0",
     description="pysaml2 integration for Django",
     long_description=read("README.md"),
     long_description_content_type="text/markdown",
@@ -35,15 +35,12 @@ def read(*rnames):
         "Development Status :: 5 - Production/Stable",
         "Environment :: Web Environment",
         "Framework :: Django",
-        "Framework :: Django :: 2.2",
-        "Framework :: Django :: 3.1",
         "Framework :: Django :: 3.2",
         "Framework :: Django :: 4.0",
         "Intended Audience :: Developers",
         "License :: OSI Approved :: Apache Software License",
         "Operating System :: OS Independent",
         "Programming Language :: Python",
-        "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
diff --git a/tox.ini b/tox.ini
index a04936ec..ecab4b99 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,14 +1,12 @@
 [tox]
 envlist =
-    py{3.6,3.7,3.8,3.9,3.10}-django{2.2,3.1,3.2,4.0}
+    py{3.7,3.8,3.9,3.10}-django{3.2,4.0}
 
 [testenv]
 commands =
     python tests/run_tests.py
 
 deps =
-    django2.2: django~=2.2
-    django3.1: django~=3.1
     django3.2: django~=3.2
     django4.0: django~=4.0
     djangomaster: https://github.com/django/django/archive/master.tar.gz