diff --git a/setup.cfg b/setup.cfg
index 2f2adf2f..39f773a1 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -6,7 +6,7 @@ description-file =
 author = OpenStack Documentation
 author-email = openstack-discuss@lists.openstack.org
 home-page = https://docs.openstack.org/openstack-doc-tools/latest/
-python-requires = >=3.6
+python-requires = >=3.8
 classifier =
     Environment :: OpenStack
     Intended Audience :: Information Technology
@@ -17,8 +17,8 @@ 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
 
 [files]
 packages =