diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..6803bd9
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "mosquitto"]
+	path = mosquitto
+	url = https://github.com/eclipse/mosquitto.git
diff --git a/mosquitto b/mosquitto
new file mode 160000
index 0000000..3923526
--- /dev/null
+++ b/mosquitto
@@ -0,0 +1 @@
+Subproject commit 3923526c6b4c048bbecad2506c4c9963bc46cd36