diff --git a/sci-libs/symengine/symengine-0.9.0.ebuild b/sci-libs/symengine/symengine-0.9.0.ebuild
index fa93ed6e4d1f1..21188d676462d 100644
--- a/sci-libs/symengine/symengine-0.9.0.ebuild
+++ b/sci-libs/symengine/symengine-0.9.0.ebuild
@@ -12,7 +12,7 @@ SRC_URI="https://github.com/symengine/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz
 
 LICENSE="MIT"
 SLOT="0/$(ver_cut 1-2)"
-KEYWORDS="~amd64 ~arm64 ~x86"
+KEYWORDS="~amd64 ~arm64 ~riscv ~x86"
 # BUILD_FOR_DISTRIBUTION enables threads by default so do it here
 IUSE="arb benchmarks boost debug doc ecm +flint llvm +mpc +mpfr openmp test tcmalloc +threads"
 RESTRICT="!test? ( test )"