diff --git a/setup.cfg b/setup.cfg
index 911cd1b..f1d9a95 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -6,7 +6,7 @@ author = OpenStack
 author_email = openstack-discuss@lists.openstack.org
 home_page = https://opendev.org/openstack/ironic-prometheus-exporter
 license = Apache-2
-python_requires = >=3.6
+python_requires = >=3.8
 classifier =
     Environment :: Console
     Environment :: OpenStack
@@ -18,8 +18,6 @@ classifier =
     Programming Language :: Python :: Implementation :: CPython
     Programming Language :: Python :: 3 :: Only
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.6
-    Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9