diff --git a/pbr/tests/testpackage/setup.cfg b/pbr/tests/testpackage/setup.cfg
index 3929f0db..ab31e95d 100644
--- a/pbr/tests/testpackage/setup.cfg
+++ b/pbr/tests/testpackage/setup.cfg
@@ -15,7 +15,7 @@ description-file =
     README.txt
     CHANGES.txt
 description-content-type = text/plain; charset=UTF-8
-requires-python = >=2.5
+python-requires = >=2.5
 
 requires-dist =
     setuptools
diff --git a/setup.cfg b/setup.cfg
index 31d0f5c5..f88d2170 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -11,7 +11,7 @@ project_urls =
     Bug Tracker = https://bugs.launchpad.net/pbr/
     Documentation = https://docs.openstack.org/pbr/
     Source Code = https://git.openstack.org/cgit/openstack-dev/pbr/
-requires-python = >=2.6
+python-requires = >=2.6
 classifier =
     Development Status :: 5 - Production/Stable
     Environment :: Console