diff --git a/dev-python/pyh2o/pyh2o-9999.ebuild b/dev-python/pyh2o/pyh2o-9999.ebuild
index a48d5cdf68b75..1da3c13679c32 100644
--- a/dev-python/pyh2o/pyh2o-9999.ebuild
+++ b/dev-python/pyh2o/pyh2o-9999.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
-PYTHON_COMPAT=( python3_6 )
+PYTHON_COMPAT=( python3_{6,7,8} )
 
 inherit distutils-r1 git-r3