diff --git a/releasenotes/notes/remove-py39-88ae5d7e3cf12f7d.yaml b/releasenotes/notes/remove-py39-88ae5d7e3cf12f7d.yaml
new file mode 100644
index 000000000..eaf3014b9
--- /dev/null
+++ b/releasenotes/notes/remove-py39-88ae5d7e3cf12f7d.yaml
@@ -0,0 +1,5 @@
+---
+upgrade:
+  - |
+    Support for Python 3.9 has been removed. Now Python 3.10 is the minimum
+    version supported.
diff --git a/setup.cfg b/setup.cfg
index 800e6901b..b8970d39f 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -6,7 +6,7 @@ description_file =
 author = OpenStack
 author_email = openstack-discuss@lists.openstack.org
 home_page = https://docs.openstack.org/python-cinderclient/latest/
-python_requires = >=3.9
+python_requires = >=3.10
 classifier =
     Development Status :: 5 - Production/Stable
     Environment :: Console
@@ -18,7 +18,6 @@ classifier =
     Programming Language :: Python
     Programming Language :: Python :: 3 :: Only
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
     Programming Language :: Python :: 3.11
     Programming Language :: Python :: 3.12