diff --git a/dev-ml/cstruct/cstruct-6.2.0-r1.ebuild b/dev-ml/cstruct/cstruct-6.2.0-r1.ebuild
index b397c637c091..49607c5dc93e 100644
--- a/dev-ml/cstruct/cstruct-6.2.0-r1.ebuild
+++ b/dev-ml/cstruct/cstruct-6.2.0-r1.ebuild
@@ -1,4 +1,4 @@
-# Copyright 2024 Gentoo Authors
+# Copyright 2024-2025 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -11,7 +11,7 @@ SRC_URI="https://github.com/mirage/ocaml-cstruct/releases/download/v${PV}/${P}.t
 
 LICENSE="ISC"
 SLOT="0/${PV}"
-KEYWORDS="~amd64 ~arm64 ~ppc ~ppc64"
+KEYWORDS="~amd64 ~arm64 ~ppc ~ppc64 ~riscv"
 IUSE="+ocamlopt test"
 RESTRICT="!test? ( test )"