diff --git a/releasenotes/notes/drop-python-3-6-and-3-7-69dcd178c443e177.yaml b/releasenotes/notes/drop-python-3-6-and-3-7-69dcd178c443e177.yaml
new file mode 100644
index 0000000000..3d5e4e3d3d
--- /dev/null
+++ b/releasenotes/notes/drop-python-3-6-and-3-7-69dcd178c443e177.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.
\ No newline at end of file
diff --git a/setup.cfg b/setup.cfg
index 9a9ae5af56..6f3eba2628 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/heat/latest/
-python-requires = >=3.6
+python-requires = >=3.8
 classifier =
     Environment :: OpenStack
     Intended Audience :: Information Technology
@@ -16,8 +16,6 @@ classifier =
     Programming Language :: Python
     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
 
diff --git a/tox.ini b/tox.ini
index bac5a4ca52..2c177c0ec1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,5 +1,5 @@
 [tox]
-envlist = py36,py37,py38,py39,pep8
+envlist = py38,py39,pep8
 ignore_basepython_conflict = True
 minversion = 3.1.0
 skipsdist = True