diff --git a/.gitmodules b/.gitmodules
index 7fac07d..fc8902c 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "parts/mosquitto"]
 	path = parts/mosquitto
 	url = https://github.com/eclipse/mosquitto.git
+[submodule "parts/mosquitto-go-auth"]
+	path = parts/mosquitto-go-auth
+	url = https://github.com/wollud1969/mosquitto-go-auth.git
diff --git a/parts/mosquitto-go-auth b/parts/mosquitto-go-auth
new file mode 160000
index 0000000..0cb001e
--- /dev/null
+++ b/parts/mosquitto-go-auth
@@ -0,0 +1 @@
+Subproject commit 0cb001eeffa0a06fbf3533470aec4766266361d8