diff --git a/.gitmodules b/.gitmodules
index 2e51e5c..a24fe95 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,3 +10,6 @@
 [submodule "loggy"]
 	path = loggy
 	url = https://git.mount-mockery.de/application/loggy.git
+[submodule "mqtt_sniffer"]
+	path = mqtt_sniffer
+	url = https://git.mount-mockery.de/application/mqtt_sniffer.git
diff --git a/mqtt_sniffer b/mqtt_sniffer
new file mode 160000
index 0000000..745e8e9
--- /dev/null
+++ b/mqtt_sniffer
@@ -0,0 +1 @@
+Subproject commit 745e8e95245a4e14bcbcf8c53dc73ed47e878b0d