diff --git a/dev-python/sigstore-protobuf-specs/sigstore-protobuf-specs-0.5.0.ebuild b/dev-python/sigstore-protobuf-specs/sigstore-protobuf-specs-0.5.0.ebuild
index d68ea70cbcd44..dfbf1bd975eea 100644
--- a/dev-python/sigstore-protobuf-specs/sigstore-protobuf-specs-0.5.0.ebuild
+++ b/dev-python/sigstore-protobuf-specs/sigstore-protobuf-specs-0.5.0.ebuild
@@ -16,7 +16,7 @@ HOMEPAGE="
 
 LICENSE="Apache-2.0"
 SLOT="0"
-KEYWORDS="amd64 ~ppc"
+KEYWORDS="amd64 ~ppc ~ppc64"
 
 RDEPEND="
 	~dev-python/betterproto-2.0.0_beta7[${PYTHON_USEDEP}]