diff --git a/otc_metadata/templates/tox.ini.j2 b/otc_metadata/templates/tox.ini.j2
index edfd5f11..1e4de308 100644
--- a/otc_metadata/templates/tox.ini.j2
+++ b/otc_metadata/templates/tox.ini.j2
@@ -3,8 +3,10 @@ minversion = 3.1
 envlist = py39,pep8
 skipsdist = True
 ignore_basepython_conflict = True
+basepython = python3.11
 
 [testenv]
+basepython = python3.11
 usedevelop = True
 install_command = pip install {opts} {packages}
 deps =