diff --git a/releasenotes/notes/drop-python-3-6-and-3-7-c407d5898c5eafec.yaml b/releasenotes/notes/drop-python-3-6-and-3-7-c407d5898c5eafec.yaml
new file mode 100644
index 00000000..db420d73
--- /dev/null
+++ b/releasenotes/notes/drop-python-3-6-and-3-7-c407d5898c5eafec.yaml
@@ -0,0 +1,5 @@
+---
+upgrade:
+  - |
+    Python 3.6 & 3.7 support has been dropped. The minimum version of Python now
+    supported is Python 3.8.
diff --git a/setup.cfg b/setup.cfg
index 34e37492..b1c1877b 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -6,6 +6,7 @@ description-file =
 author = OpenStack
 author-email = openstack-discuss@lists.openstack.org
 home-page = https://docs.openstack.org/keystonemiddleware/latest/
+python_requires = >=3.8
 classifier =
     Environment :: OpenStack
     Intended Audience :: Information Technology
@@ -14,8 +15,9 @@ 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 :: Only
+    Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
 
 [files]
 packages =