diff --git a/releasenotes/notes/drop-python38-support-cbd5634f9aadf291.yaml b/releasenotes/notes/drop-python38-support-cbd5634f9aadf291.yaml
new file mode 100644
index 0000000..8785164
--- /dev/null
+++ b/releasenotes/notes/drop-python38-support-cbd5634f9aadf291.yaml
@@ -0,0 +1,6 @@
+---
+upgrade:
+  - |
+    Python 3.8 support has been dropped. Last release of
+    keystone-tempest-plugin to support python 3.8 is 0.17.0.
+    The minimum version of Python now supported is Python 3.9.
diff --git a/setup.cfg b/setup.cfg
index 58f75a1..eeb7b3a 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -6,6 +6,7 @@
 author = OpenStack
 author-email = openstack-discuss@lists.openstack.org
 home-page = https://docs.openstack.org/keystone/latest/
+python_requires = >=3.9
 classifier =
     Environment :: OpenStack
     Intended Audience :: Information Technology
@@ -14,8 +15,10 @@
     Operating System :: POSIX :: Linux
     Programming Language :: Python
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.6
-    Programming Language :: Python :: 3.7
+    Programming Language :: Python :: 3.9
+    Programming Language :: Python :: 3.10
+    Programming Language :: Python :: 3.11
+    Programming Language :: Python :: 3.12
 
 [files]
 packages =