diff --git a/.gitmodules b/.gitmodules
index a20bff843..36eb3cd95 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -16,3 +16,6 @@
 [submodule "os/net/security/tinydtls"]
 	path = os/net/security/tinydtls
 	url = https://github.com/contiki-ng/tinydtls.git
+[submodule "tests/18-coap-lwm2m/example-lwm2m-standalone"]
+	path = tests/18-coap-lwm2m/example-lwm2m-standalone
+	url = https://github.com/contiki-ng/example-lwm2m-standalone.git
diff --git a/tests/18-coap-lwm2m/example-lwm2m-standalone b/tests/18-coap-lwm2m/example-lwm2m-standalone
new file mode 160000
index 000000000..9d3157a47
--- /dev/null
+++ b/tests/18-coap-lwm2m/example-lwm2m-standalone
@@ -0,0 +1 @@
+Subproject commit 9d3157a47e7741857c3702d3e5d0939c2e2aef92