diff --git a/charms/ceilometer-k8s/tox.ini b/charms/ceilometer-k8s/tox.ini
index 0bc536c1..067963f9 100644
--- a/charms/ceilometer-k8s/tox.ini
+++ b/charms/ceilometer-k8s/tox.ini
@@ -72,6 +72,10 @@ deps = {[testenv:py3]deps}
 basepython = python3.10
 deps = {[testenv:py3]deps}
 
+[testenv:py311]
+basepython = python3.11
+deps = {[testenv:py3]deps}
+
 [testenv:cover]
 basepython = python3
 deps = {[testenv:py3]deps}