diff --git a/tests/net/promiscuous/prj.conf b/tests/net/promiscuous/prj.conf
index 5f56de6e98e..3c210710af5 100644
--- a/tests/net/promiscuous/prj.conf
+++ b/tests/net/promiscuous/prj.conf
@@ -22,3 +22,4 @@ CONFIG_NET_IF_UNICAST_IPV6_ADDR_COUNT=6
 CONFIG_NET_IPV6_MAX_NEIGHBORS=1
 CONFIG_NET_IPV6_ND=n
 CONFIG_ZTEST=y
+CONFIG_ZTEST_NEW_API=y
diff --git a/tests/net/promiscuous/src/main.c b/tests/net/promiscuous/src/main.c
index 1eada54bb5d..7d9ca1f8866 100644
--- a/tests/net/promiscuous/src/main.c
+++ b/tests/net/promiscuous/src/main.c
@@ -380,16 +380,15 @@ static void test_verify_data(void)
 	net_pkt_unref(pkt);
 }
 
-void test_main(void)
+ZTEST(net_promisc_test_suite, test_net_promisc)
 {
-	ztest_test_suite(net_promisc_test,
-			 ztest_unit_test(test_iface_setup),
-			 ztest_unit_test(test_set_promisc_mode_on),
-			 ztest_unit_test(test_set_promisc_mode_on_again),
-			 ztest_unit_test(test_recv_data),
-			 ztest_unit_test(test_verify_data),
-			 ztest_unit_test(test_set_promisc_mode_off),
-			 ztest_unit_test(test_set_promisc_mode_off_again));
-
-	ztest_run_test_suite(net_promisc_test);
+	test_iface_setup();
+	test_set_promisc_mode_on();
+	test_set_promisc_mode_on_again();
+	test_recv_data();
+	test_verify_data();
+	test_set_promisc_mode_off();
+	test_set_promisc_mode_off_again();
 }
+
+ZTEST_SUITE(net_promisc_test_suite, NULL, NULL, NULL, NULL, NULL);