diff --git a/dev-db/mongodb/mongodb-5.0.27.ebuild b/dev-db/mongodb/mongodb-5.0.27.ebuild
index eaeb555..76538f4 100644
--- a/dev-db/mongodb/mongodb-5.0.27.ebuild
+++ b/dev-db/mongodb/mongodb-5.0.27.ebuild
@@ -171,7 +171,7 @@ src_configure() {
 }
 
 src_compile() {
-	PREFIX="${EPREFIX}/usr" ./buildscripts/scons.py "${scons_opts[@]}" install-core || die
+	PREFIX="${EPREFIX}/usr" ./buildscripts/scons.py "${scons_opts[@]}" install-devcore || die
 }
 
 src_install() {
diff --git a/dev-db/mongodb/mongodb-6.0.15.ebuild b/dev-db/mongodb/mongodb-6.0.15.ebuild
index dbadc4b..f995cc8 100644
--- a/dev-db/mongodb/mongodb-6.0.15.ebuild
+++ b/dev-db/mongodb/mongodb-6.0.15.ebuild
@@ -136,9 +136,11 @@ src_configure() {
 		MONGO_VERSION="${PV}"
 		MONGO_GIT_HASH="7494119c41ca4e13b493e9f048df4032164e860e"
 
+		--cxx-std=20
 		--disable-warnings-as-errors
 		--jobs="$(makeopts_jobs)"
 		--use-system-boost
+		--use-system-mongo-c
 		--use-system-pcre
 		--use-system-snappy
 		--use-system-stemmer