diff --git a/dev-ml/ppx_stable_witness/ppx_stable_witness-0.17.0-r1.ebuild b/dev-ml/ppx_stable_witness/ppx_stable_witness-0.17.0-r1.ebuild
index 25d2186b85903..af14d6905a7d9 100644
--- a/dev-ml/ppx_stable_witness/ppx_stable_witness-0.17.0-r1.ebuild
+++ b/dev-ml/ppx_stable_witness/ppx_stable_witness-0.17.0-r1.ebuild
@@ -12,7 +12,7 @@ SRC_URI="https://github.com/janestreet/ppx_stable_witness/archive/v${PV}.tar.gz
 
 LICENSE="Apache-2.0"
 SLOT="0/$(ver_cut 1-2)"
-KEYWORDS="~amd64 ~arm64 ~ppc ~ppc64"
+KEYWORDS="~amd64 ~arm64 ~ppc ~ppc64 ~riscv"
 IUSE="+ocamlopt"
 
 # Jane Street Minor