diff --git a/dev-util/watchman/watchman-4.9.0.ebuild b/dev-util/watchman/watchman-4.9.0.ebuild
index 560131034a405..9cc31253bcf39 100644
--- a/dev-util/watchman/watchman-4.9.0.ebuild
+++ b/dev-util/watchman/watchman-4.9.0.ebuild
@@ -1,8 +1,8 @@
-# Copyright 2020 Gentoo Authors
+# Copyright 2020-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
-PYTHON_COMPAT=( python3_{7,8} )
+PYTHON_COMPAT=( python3_{7,8,9} )
 inherit autotools distutils-r1
 
 COMMIT="8e0ba724d85de2c89f48161807e878667b9ed089"  # v4.9.0 tag