diff --git a/dev-libs/tree-sitter-cpp/tree-sitter-cpp-0.20.0_p20230410.ebuild b/dev-libs/tree-sitter-cpp/tree-sitter-cpp-0.20.0_p20230410.ebuild
index f580d045a2c30..f3dcf772574de 100644
--- a/dev-libs/tree-sitter-cpp/tree-sitter-cpp-0.20.0_p20230410.ebuild
+++ b/dev-libs/tree-sitter-cpp/tree-sitter-cpp-0.20.0_p20230410.ebuild
@@ -16,7 +16,7 @@ S="${WORKDIR}"/${PN}-${GIT_COMMIT}/src
 
 LICENSE="MIT"
 SLOT="0"
-KEYWORDS="~amd64 ~arm ~ppc ~ppc64"
+KEYWORDS="~amd64 ~arm ~arm64 ~ppc ~ppc64"
 
 # requires test data from tree-sitter-c
 RESTRICT="test"