diff --git a/dev-python/msgpack/msgpack-1.0.0.ebuild b/dev-python/msgpack/msgpack-1.0.0.ebuild
index 9905cfb27256c..d4a598d68036c 100644
--- a/dev-python/msgpack/msgpack-1.0.0.ebuild
+++ b/dev-python/msgpack/msgpack-1.0.0.ebuild
@@ -3,7 +3,7 @@
 
 EAPI=7
 
-PYTHON_COMPAT=( python3_{6,7,8} pypy3 )
+PYTHON_COMPAT=( python3_{6,7,8,9} pypy3 )
 
 inherit distutils-r1