diff --git a/dev-python/pypng/pypng-0.0.21-r1.ebuild b/dev-python/pypng/pypng-0.0.21-r1.ebuild
index 39d92271eef7a..9d708824f130d 100644
--- a/dev-python/pypng/pypng-0.0.21-r1.ebuild
+++ b/dev-python/pypng/pypng-0.0.21-r1.ebuild
@@ -17,7 +17,7 @@ S=${WORKDIR}/pypng-${P}
 
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="~amd64 ~arm ~arm64 ~x86"
+KEYWORDS="~amd64 ~arm ~arm64 ~riscv ~x86"
 
 python_test() {
 	"${EPYTHON}" code/test_png.py -v || die "Tests fail with ${EPYTHON}"