diff --git a/dev-python/promise/promise-2.3.0.ebuild b/dev-python/promise/promise-2.3.0.ebuild
index 786a9bf..54c9fe5 100644
--- a/dev-python/promise/promise-2.3.0.ebuild
+++ b/dev-python/promise/promise-2.3.0.ebuild
@@ -3,7 +3,7 @@
 
 EAPI=8
 
-PYTHON_COMPAT=( python3_{9..11} )
+PYTHON_COMPAT=( python3_{10..12} )
 inherit distutils-r1
 
 DESCRIPTION="Promises/A+ implementation for Python"