diff --git a/.gitmodules b/.gitmodules
index 4f484a8..2556fa1 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -5,3 +5,6 @@
 	path = cube/ioLibrary_Driver
 	url = ../ioLibrary_Driver
 	branch = WolfgangsOwnBranch
+[submodule "cube/libmbus"]
+	path = cube/libmbus
+	url = ../libmbus
diff --git a/cube/libmbus b/cube/libmbus
new file mode 160000
index 0000000..e1f4dbd
--- /dev/null
+++ b/cube/libmbus
@@ -0,0 +1 @@
+Subproject commit e1f4dbdd52fe8a67e0665a0f3f5368ede1c59d83