diff --git a/dev-python/backports-weakref/backports-weakref-1.0_p1.ebuild b/dev-python/backports-weakref/backports-weakref-1.0_p1.ebuild
index 027168047eab5..03b75de4278bf 100644
--- a/dev-python/backports-weakref/backports-weakref-1.0_p1.ebuild
+++ b/dev-python/backports-weakref/backports-weakref-1.0_p1.ebuild
@@ -2,7 +2,7 @@
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
-PYTHON_COMPAT=( python2_7 python3_{5,6,7} )
+PYTHON_COMPAT=( python2_7 python3_{5,6,7} pypy )
 
 inherit distutils-r1