diff --git a/sdk_container/src/third_party/portage-stable/sys-apps/kbd/kbd-2.6.4.ebuild b/sdk_container/src/third_party/portage-stable/sys-apps/kbd/kbd-2.6.4.ebuild
index d4f32c7cb2..ebceb5c788 100644
--- a/sdk_container/src/third_party/portage-stable/sys-apps/kbd/kbd-2.6.4.ebuild
+++ b/sdk_container/src/third_party/portage-stable/sys-apps/kbd/kbd-2.6.4.ebuild
@@ -1,8 +1,10 @@
-# Copyright 1999-2023 Gentoo Authors
+# Copyright 1999-2024 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
 
+inherit multiprocessing
+
 if [[ ${PV} == 9999 ]] ; then
 	inherit autotools git-r3
 	EGIT_REPO_URI="https://github.com/legionus/kbd.git https://git.kernel.org/pub/scm/linux/kernel/git/legion/kbd.git"
@@ -75,6 +77,10 @@ src_configure() {
 	econf "${myeconfargs[@]}"
 }
 
+src_test() {
+	emake -Onone check TESTSUITEFLAGS="--jobs=$(get_makeopts_jobs)"
+}
+
 src_install() {
 	default
 
diff --git a/sdk_container/src/third_party/portage-stable/sys-apps/kbd/kbd-9999.ebuild b/sdk_container/src/third_party/portage-stable/sys-apps/kbd/kbd-9999.ebuild
index 7cb13a1a8a..ca0b13cdd9 100644
--- a/sdk_container/src/third_party/portage-stable/sys-apps/kbd/kbd-9999.ebuild
+++ b/sdk_container/src/third_party/portage-stable/sys-apps/kbd/kbd-9999.ebuild
@@ -1,8 +1,10 @@
-# Copyright 1999-2023 Gentoo Authors
+# Copyright 1999-2024 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
 
+inherit multiprocessing
+
 if [[ ${PV} == 9999 ]] ; then
 	inherit autotools git-r3
 	EGIT_REPO_URI="https://github.com/legionus/kbd.git https://git.kernel.org/pub/scm/linux/kernel/git/legion/kbd.git"
@@ -75,6 +77,10 @@ src_configure() {
 	econf "${myeconfargs[@]}"
 }
 
+src_test() {
+	emake -Onone check TESTSUITEFLAGS="--jobs=$(get_makeopts_jobs)"
+}
+
 src_install() {
 	default