diff --git a/dev-python/oslo-serialization/oslo-serialization-5.1.1.ebuild b/dev-python/oslo-serialization/oslo-serialization-5.1.1.ebuild
index 793c0bd86e6ee..146c7a82cef66 100644
--- a/dev-python/oslo-serialization/oslo-serialization-5.1.1.ebuild
+++ b/dev-python/oslo-serialization/oslo-serialization-5.1.1.ebuild
@@ -6,7 +6,7 @@ EAPI=8
 DISTUTILS_USE_PEP517=setuptools
 PYPI_NO_NORMALIZE=1
 PYPI_PN=${PN/-/.}
-PYTHON_COMPAT=( python3_{9..11} )
+PYTHON_COMPAT=( python3_{10..12} )
 
 inherit distutils-r1 pypi