diff --git a/Log.cpp b/Log.cpp
index ee493e3..d75d0be 100644
--- a/Log.cpp
+++ b/Log.cpp
@@ -1,5 +1,5 @@
 /*
- *   Copyright (C) 2015,2016,2020,2022,2023,2025 by Jonathan Naylor G4KLX
+ *   Copyright (C) 2015,2016,2020,2022,2023,2025,2026 by Jonathan Naylor G4KLX
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -102,17 +102,16 @@ void WriteJSONStatus(const std::string& status)
 	json["timestamp"] = CUtils::createTimestamp();
 	json["message"]   = status;
 
-	WriteJSON("status", json);
+	WriteJSON("status", json, false);
 }
 
-void WriteJSON(const std::string& topLevel, nlohmann::json& json)
+void WriteJSON(const std::string& topLevel, nlohmann::json& json, bool retain)
 {
 	if (m_mqtt != nullptr) {
 		nlohmann::json top;
 
 		top[topLevel] = json;
 
-		m_mqtt->publish("json", top.dump());
+		m_mqtt->publish("json", top.dump(), retain);
 	}
 }
-
diff --git a/Log.h b/Log.h
index 736dfdb..ea68a1f 100644
--- a/Log.h
+++ b/Log.h
@@ -1,5 +1,5 @@
 /*
- *   Copyright (C) 2015,2016,2020,2022,2023 by Jonathan Naylor G4KLX
+ *   Copyright (C) 2015,2016,2020,2022,2023,2026 by Jonathan Naylor G4KLX
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -36,6 +36,6 @@ extern void LogInitialise(unsigned int displayLevel, unsigned int mqttLevel);
 extern void LogFinalise();
 
 extern void WriteJSONStatus(const std::string& status);
-extern void WriteJSON(const std::string& topLevel, nlohmann::json& json);
+extern void WriteJSON(const std::string& topLevel, nlohmann::json& json, bool retain);
 
 #endif
diff --git a/MQTTConnection.cpp b/MQTTConnection.cpp
index b8189c3..f72f708 100644
--- a/MQTTConnection.cpp
+++ b/MQTTConnection.cpp
@@ -1,5 +1,5 @@
 /*
- *   Copyright (C) 2022,2023,2025 by Jonathan Naylor G4KLX
+ *   Copyright (C) 2022,2023,2025,2026 by Jonathan Naylor G4KLX
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -99,22 +99,22 @@ bool CMQTTConnection::open()
 	return true;
 }
 
-bool CMQTTConnection::publish(const char* topic, const char* text)
+bool CMQTTConnection::publish(const char* topic, const char* text, bool retain)
 {
 	assert(topic != nullptr);
 	assert(text != nullptr);
 
-	return publish(topic, (unsigned char*)text, (unsigned int)::strlen(text));
+	return publish(topic, (unsigned char*)text, (unsigned int)::strlen(text), retain);
 }
 
-bool CMQTTConnection::publish(const char* topic, const std::string& text)
+bool CMQTTConnection::publish(const char* topic, const std::string& text, bool retain)
 {
 	assert(topic != nullptr);
 
-	return publish(topic, (unsigned char*)text.c_str(), (unsigned int)text.size());
+	return publish(topic, (unsigned char*)text.c_str(), (unsigned int)text.size(), retain);
 }
 
-bool CMQTTConnection::publish(const char* topic, const unsigned char* data, unsigned int len)
+bool CMQTTConnection::publish(const char* topic, const unsigned char* data, unsigned int len, bool retain)
 {
 	assert(topic != nullptr);
 	assert(data != nullptr);
@@ -126,13 +126,13 @@ bool CMQTTConnection::publish(const char* topic, const unsigned char* data, unsi
 		char topicEx[100U];
 		::sprintf(topicEx, "%s/%s", m_name.c_str(), topic);
 
-		int rc = ::mosquitto_publish(m_mosq, nullptr, topicEx, len, data, static_cast<int>(m_qos), false);
+		int rc = ::mosquitto_publish(m_mosq, nullptr, topicEx, len, data, static_cast<int>(m_qos), retain);
 		if (rc != MOSQ_ERR_SUCCESS) {
 			::fprintf(stderr, "MQTT Error publishing: %s\n", ::mosquitto_strerror(rc));
 			return false;
 		}
 	} else {
-		int rc = ::mosquitto_publish(m_mosq, nullptr, topic, len, data, static_cast<int>(m_qos), false);
+		int rc = ::mosquitto_publish(m_mosq, nullptr, topic, len, data, static_cast<int>(m_qos), retain);
 		if (rc != MOSQ_ERR_SUCCESS) {
 			::fprintf(stderr, "MQTT Error publishing: %s\n", ::mosquitto_strerror(rc));
 			return false;
diff --git a/MQTTConnection.h b/MQTTConnection.h
index 9f718da..8d66bd4 100644
--- a/MQTTConnection.h
+++ b/MQTTConnection.h
@@ -1,5 +1,5 @@
 /*
- *   Copyright (C) 2022,2023,2025 by Jonathan Naylor G4KLX
+ *   Copyright (C) 2022,2023,2025,2026 by Jonathan Naylor G4KLX
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -37,9 +37,9 @@ public:
 
 	bool open();
 
-	bool publish(const char* topic, const char* text);
-	bool publish(const char* topic, const std::string& text);
-	bool publish(const char* topic, const unsigned char* data, unsigned int len);
+	bool publish(const char* topic, const char* text, bool retain = false);
+	bool publish(const char* topic, const std::string& text, bool retain = false);
+	bool publish(const char* topic, const unsigned char* data, unsigned int len, bool retain = false);
 
 	void close();
 
@@ -63,4 +63,3 @@ private:
 };
 
 #endif
-
diff --git a/Version.h b/Version.h
index 90309c4..fb57f8f 100644
--- a/Version.h
+++ b/Version.h
@@ -19,6 +19,6 @@
 #if !defined(VERSION_H)
 #define	VERSION_H
 
-const char* VERSION = "20260214";
+const char* VERSION = "20260323";
 
 #endif