diff --git a/meta-isar/conf/distro/ubuntu-common.inc b/meta-isar/conf/distro/ubuntu-common.inc
index 88a3b4f0..25aa13ea 100644
--- a/meta-isar/conf/distro/ubuntu-common.inc
+++ b/meta-isar/conf/distro/ubuntu-common.inc
@@ -12,6 +12,9 @@ HOST_BASE_DISTRO = "${BASE_DISTRO}"
 DISTRO_APT_SOURCES:arm64 ?= "conf/distro/${BASE_DISTRO}-${BASE_DISTRO_CODENAME}-ports.list"
 HOST_DISTRO_APT_SOURCES:arm64 ?= "conf/distro/${HOST_DISTRO}.list conf/distro/${HOST_DISTRO}-ports.list"
 
+DISTRO_APT_SOURCES:riscv64 ?= "conf/distro/${BASE_DISTRO}-${BASE_DISTRO_CODENAME}-ports.list"
+HOST_DISTRO_APT_SOURCES:riscv64 ?= "conf/distro/${HOST_DISTRO}.list conf/distro/${HOST_DISTRO}-ports.list"
+
 BOOTSTRAP_KEY = "file://${LAYERDIR_isar}/conf/distro/ubuntu.public.key;sha256sum=36a38199a4bf4eae1e7f574891f7dfcb79b91b87a33a499383265e1224b5e989"
 DISTRO_BOOTSTRAP_KEYS += "${BOOTSTRAP_KEY}"
 HOST_DISTRO_BOOTSTRAP_KEYS += "${BOOTSTRAP_KEY}"
diff --git a/meta-isar/conf/distro/ubuntu-noble-ports.list b/meta-isar/conf/distro/ubuntu-noble-ports.list
index adeb2639..9b101e3d 100644
--- a/meta-isar/conf/distro/ubuntu-noble-ports.list
+++ b/meta-isar/conf/distro/ubuntu-noble-ports.list
@@ -1,6 +1,6 @@
-deb	[arch=armhf,arm64] http://ports.ubuntu.com/ubuntu-ports noble main restricted universe multiverse
-deb-src	[arch=armhf,arm64] http://ports.ubuntu.com/ubuntu-ports noble main restricted universe multiverse
-deb	[arch=armhf,arm64] http://ports.ubuntu.com/ubuntu-ports noble-updates main restricted universe multiverse
-deb-src	[arch=armhf,arm64] http://ports.ubuntu.com/ubuntu-ports noble-updates main restricted universe multiverse
-deb	[arch=armhf,arm64] http://ports.ubuntu.com/ubuntu-ports noble-security main restricted universe multiverse
-deb-src	[arch=armhf,arm64] http://ports.ubuntu.com/ubuntu-ports noble-security main restricted universe multiverse
+deb	[arch=armhf,arm64,riscv64] http://ports.ubuntu.com/ubuntu-ports noble main restricted universe multiverse
+deb-src	[arch=armhf,arm64,riscv64] http://ports.ubuntu.com/ubuntu-ports noble main restricted universe multiverse
+deb	[arch=armhf,arm64,riscv64] http://ports.ubuntu.com/ubuntu-ports noble-updates main restricted universe multiverse
+deb-src	[arch=armhf,arm64,riscv64] http://ports.ubuntu.com/ubuntu-ports noble-updates main restricted universe multiverse
+deb	[arch=armhf,arm64,riscv64] http://ports.ubuntu.com/ubuntu-ports noble-security main restricted universe multiverse
+deb-src	[arch=armhf,arm64,riscv64] http://ports.ubuntu.com/ubuntu-ports noble-security main restricted universe multiverse