diff --git a/samples/net/sockets/echo_client/sample.yaml b/samples/net/sockets/echo_client/sample.yaml
index dbe392b8a0f..10ea0a5a7fe 100644
--- a/samples/net/sockets/echo_client/sample.yaml
+++ b/samples/net/sockets/echo_client/sample.yaml
@@ -48,6 +48,15 @@ tests:
     tags: net openthread
     platform_allow: nrf52840dk_nrf52840
     filter: TOOLCHAIN_HAS_NEWLIB == 1
+  sample.net.sockets.echo_client.b91_802154:
+    extra_args: OVERLAY_CONFIG="overlay-802154.conf"
+    platform_allow: tlsr9518adk80d
+  sample.net.sockets.echo_client.b91_openthread:
+    extra_args: OVERLAY_CONFIG="overlay-ot.conf"
+    slow: true
+    tags: net openthread
+    platform_allow: tlsr9518adk80d
+    filter: TOOLCHAIN_HAS_NEWLIB == 1
   sample.net.sockets.echo_client.kw41z_openthread:
     extra_args: OVERLAY_CONFIG="overlay-ot.conf"
     slow: true
diff --git a/samples/net/sockets/echo_server/sample.yaml b/samples/net/sockets/echo_server/sample.yaml
index 490c2d9d110..7c4799b5090 100644
--- a/samples/net/sockets/echo_server/sample.yaml
+++ b/samples/net/sockets/echo_server/sample.yaml
@@ -42,6 +42,9 @@ tests:
   sample.net.sockets.echo_server.nrf_802154:
     extra_args: OVERLAY_CONFIG="overlay-802154.conf"
     platform_allow: nrf52840dk_nrf52840
+  sample.net.sockets.echo_server.b91_802154:
+    extra_args: OVERLAY_CONFIG="overlay-802154.conf"
+    platform_allow: tlsr9518adk80d
   sample.net.sockets.echo_server.usbnet:
     depends_on: usb_device
     harness: net
@@ -60,6 +63,12 @@ tests:
     tags: net openthread
     platform_allow: nrf52840dk_nrf52840
     filter: TOOLCHAIN_HAS_NEWLIB == 1
+  sample.net.sockets.echo_server.b91_openthread:
+    extra_args: OVERLAY_CONFIG="overlay-ot.conf"
+    slow: true
+    tags: net openthread
+    platform_allow: tlsr9518adk80d
+    filter: TOOLCHAIN_HAS_NEWLIB == 1
   sample.net.sockets.echo_server.kw41z_openthread:
     extra_args: OVERLAY_CONFIG="overlay-ot.conf"
     slow: true