diff --git a/sdk_container/src/third_party/portage-stable/sys-devel/bison/bison-3.8.2-r2.ebuild b/sdk_container/src/third_party/portage-stable/sys-devel/bison/bison-3.8.2-r2.ebuild
index fd8742c3ad..b778f94585 100644
--- a/sdk_container/src/third_party/portage-stable/sys-devel/bison/bison-3.8.2-r2.ebuild
+++ b/sdk_container/src/third_party/portage-stable/sys-devel/bison/bison-3.8.2-r2.ebuild
@@ -4,7 +4,7 @@
 EAPI=8
 
 VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/bison.asc
-inherit flag-o-matic verify-sig
+inherit flag-o-matic multiprocessing verify-sig
 
 DESCRIPTION="A general-purpose (yacc-compatible) parser generator"
 HOMEPAGE="https://www.gnu.org/software/bison/"
@@ -68,6 +68,10 @@ src_configure() {
 	econf "${myeconfargs[@]}"
 }
 
+src_test() {
+	emake check TESTSUITEFLAGS="--jobs=$(get_makeopts_jobs)"
+}
+
 src_install() {
 	default