diff --git a/setup.cfg b/setup.cfg
index e4c6d469f..d95c08442 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -6,7 +6,7 @@ summary = Oslo Messaging API
 description_file =
     README.rst
 home_page = https://docs.openstack.org/oslo.messaging/latest/
-python_requires = >=3.6
+python_requires = >=3.8
 classifier =
     Environment :: OpenStack
     Intended Audience :: Developers
@@ -15,8 +15,6 @@ classifier =
     Operating System :: OS Independent
     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
     Programming Language :: Python :: 3 :: Only