diff --git a/setup.cfg b/setup.cfg
index 50074a951..ad5039547 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -14,11 +14,12 @@ classifier =
     Operating System :: POSIX :: Linux
     Programming Language :: Python
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
-python_requires = >=3.6
+    Programming Language :: Python :: 3.10
+    Programming Language :: Python :: 3.11
+python_requires = >=3.7
 
 [files]
 packages =
diff --git a/tox.ini b/tox.ini
index 36fd20eb3..bdc0a3737 100644
--- a/tox.ini
+++ b/tox.ini
@@ -23,7 +23,7 @@ commands =
     stestr run {posargs}
     stestr slowest
 
-[testenv:functional{,-py36,-py37,-py38,-py39}]
+[testenv:functional{-py37,-py38,-py39}]
 description =
     Run functional tests.
 # Some jobs (especially heat) takes longer, therefore increase default timeout