diff --git a/include/my_mqtt.h b/include/my_mqtt.h
index 0d4503c..6169c80 100644
--- a/include/my_mqtt.h
+++ b/include/my_mqtt.h
@@ -17,8 +17,8 @@ void mqtt_setup();
 
 void mqtt_loop();
 
-void mqtt_publish(const char* topic, int number);
-void mqtt_publish(const char* topic, const char* message);
+void mqtt_publish(const char* topic, int number, bool retain=false);
+void mqtt_publish(const char* topic, const char* message, bool retain=false);
 
 void mqtt_log(const char* message);
 void mqtt_log(int number);
diff --git a/src/mqtt.cpp b/src/mqtt.cpp
index f3561fd..97a20fd 100644
--- a/src/mqtt.cpp
+++ b/src/mqtt.cpp
@@ -133,16 +133,16 @@ void mqtt_loop() {
 
 String mqtt_log_str = String();
 
-void mqtt_publish(const char* topic, int number) {
+void mqtt_publish(const char* topic, int number, bool retain) {
 	char b[32];
 	sprintf(b, "%d", number);
-	mqtt_publish(topic, b);
+	mqtt_publish(topic, b, retain);
 }
 
-void mqtt_publish(const char* topic, const char* message) {
+void mqtt_publish(const char* topic, const char* message, bool retain) {
 	char t[127];
 	sprintf(t, MQTT_TOPIC "%s", topic);
-	mqtt_client.publish(t, message);
+	mqtt_client.publish(t, message, retain);
 }
 
 void mqtt_log(const char* message) {