diff --git a/sys-devel/clang/clang-9999.ebuild b/sys-devel/clang/clang-9999.ebuild
index 32f4bcb7724d2..479fded04d9e4 100644
--- a/sys-devel/clang/clang-9999.ebuild
+++ b/sys-devel/clang/clang-9999.ebuild
@@ -6,7 +6,7 @@ EAPI=6
 : ${CMAKE_MAKEFILE_GENERATOR:=ninja}
 # (needed due to CMAKE_BUILD_TYPE != Gentoo)
 CMAKE_MIN_VERSION=3.7.0-r1
-PYTHON_COMPAT=( python2_7 )
+PYTHON_COMPAT=( python{2_7,3_{5,6,7}} )
 
 inherit cmake-utils eapi7-ver flag-o-matic git-r3 llvm \
 	multilib-minimal multiprocessing pax-utils python-single-r1 \