[DEV-103519] Update setup versions

setup.py

@@ -21,12 +21,12 @@
 URL = 'https://github.com/roverdotcom/django-inlinecss'
 EMAIL = '[email protected]'
 AUTHOR = 'Philip Kimmey'
-REQUIRES_PYTHON = '>=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, <3.7'
+REQUIRES_PYTHON = '>=3.8'
 VERSION = None
 
 # What packages are required for this module to be executed?
 REQUIRED = [
-    'Django>=1.11',
+    'Django>=3.2',
     'pynliner',
     'future>=0.16.0',
 ]
@@ -41,10 +41,10 @@
 # What packages are optional?
 EXTRAS = {
     'flake8': [
-        'flake8==3.6.0',
-        'flake8-isort==2.6.0',
-        'isort==4.3.4',
-        'testfixtures==6.3.0',
+        'flake8==7.0.0',
+        'flake8-isort==6.1.1',
+        'isort==5.13.2',
+        'testfixtures==8.0.0',
     ],
     'tests': TESTS,
 }