diff --git a/dev-python/stestr/stestr-4.1.0.ebuild b/dev-python/stestr/stestr-4.1.0.ebuild
index ae45f1d2241aa..facea035e081e 100644
--- a/dev-python/stestr/stestr-4.1.0.ebuild
+++ b/dev-python/stestr/stestr-4.1.0.ebuild
@@ -4,7 +4,7 @@
 EAPI=8
 
 DISTUTILS_USE_PEP517=setuptools
-PYTHON_COMPAT=( python3_{10..11} )
+PYTHON_COMPAT=( python3_{10..12} )
 
 inherit distutils-r1 pypi
 
@@ -39,6 +39,7 @@ BDEPEND="
 "
 
 python_test() {
+	local -x PYTHONPATH="${BUILD_DIR}/install$(python_get_sitedir)"
 	stestr init || die
 	stestr run || die "Tests failed with ${EPYTHON}"
 }