diff --git a/setup.py b/setup.py
index 4b34fcc..8829c67 100644
--- a/setup.py
+++ b/setup.py
@@ -67,10 +67,10 @@ def read(fname):
         "License :: OSI Approved :: MIT License",
         "Operating System :: OS Independent",
         "Programming Language :: Python :: 3",
-        "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",
         "Topic :: Internet :: Proxy Servers",
     ],
 )
diff --git a/tox.ini b/tox.ini
index 9672cee..a72ce46 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,6 +1,6 @@
 [tox]
 minversion = 2.3.1
-envlist = py36,py37,py38,py39,pep8,py3pep8,doc
+envlist = py38,py39,py310,py311,pep8,py3pep8,doc
 skip_missing_interpreters = true
 
 [testenv]