diff --git a/tox.ini b/tox.ini
index 842839267cd1..41f146191814 100644
--- a/tox.ini
+++ b/tox.ini
@@ -50,14 +50,14 @@ commands =
 env TEST_OSPROFILER=1 stestr run --combine --no-discover 'nova.tests.unit.test_profiler'
 stestr slowest
 
-[testenv:{unit,py3,py38,py39,py310,py311}]
+[testenv:{unit,py3,py38,py39,py310,py311,py312}]
 setenv =
 {[testenv]setenv}
 # we do not have any greenlet leaks in unit tests so enforce that
 # by making greenlet leaks a failure.
 NOVA_RAISE_ON_GREENLET_LEAK=True
 
-[testenv:functional{,-py38,-py39,-py310,-py311}]
+[testenv:functional{,-py38,-py39,-py310,-py311,-py312}]
 description =
 Run functional tests.
 setenv =
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