diff --git a/dev-python/twisted/twisted-21.2.0-r1.ebuild b/dev-python/twisted/twisted-21.2.0-r1.ebuild
index 7f7c659441a40..80810364d1cbe 100644
--- a/dev-python/twisted/twisted-21.2.0-r1.ebuild
+++ b/dev-python/twisted/twisted-21.2.0-r1.ebuild
@@ -17,7 +17,7 @@ S=${WORKDIR}/${PN}-${P}
 
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="amd64 arm arm64 ~hppa ~ia64 ppc ppc64 ~riscv ~s390 sparc x86"
+KEYWORDS="~alpha amd64 arm arm64 ~hppa ~ia64 ppc ppc64 ~riscv ~s390 sparc x86"
 IUSE="conch crypt http2 serial test"
 RESTRICT="!test? ( test )"