diff --git a/requirements.txt b/requirements.txt
index f2f532ca19c..196802fe591 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -103,3 +103,6 @@ https://github.com/rkabadi/pyedimax/archive/master.zip
 
 # RPI-GPIO platform
 RPi.GPIO >=0.5.11
+
+# PAHO MQTT Binding (protocol.mqtt)
+paho-mqtt>=1.1