diff --git a/src/mqtt/async_client.h b/src/mqtt/async_client.h
index 82bf0044..3735bc6e 100644
--- a/src/mqtt/async_client.h
+++ b/src/mqtt/async_client.h
@@ -54,18 +54,18 @@ namespace mqtt {
 
 #if defined(PAHO_MQTTPP_VERSIONS)
 	/** The version number for the client library. */
-	const uint32_t PAHO_MQTTPP_VERSION = 0x01020000;
+	const uint32_t PAHO_MQTTPP_VERSION = 0x01030000;
 	/** The version string for the client library  */
-	const string PAHO_MQTTPP_VERSION_STR("Paho MQTT C++ (mqttpp) v. 1.2");
+	const string PAHO_MQTTPP_VERSION_STR("Paho MQTT C++ (mqttpp) v. 1.3");
 	/** Copyright notice for the client library */
-	const string PAHO_MQTTPP_COPYRIGHT("Copyright (c) 2013-2020 Frank Pagliughi");
+	const string PAHO_MQTTPP_COPYRIGHT("Copyright (c) 2013-2023 Frank Pagliughi");
 #else
 	/** The version number for the client library. */
-	const uint32_t VERSION = 0x01020000;
+	const uint32_t VERSION = 0x01030000;
 	/** The version string for the client library  */
-	const string VERSION_STR("Paho MQTT C++ (mqttpp) v. 1.2");
+	const string VERSION_STR("Paho MQTT C++ (mqttpp) v. 1.3");
 	/** Copyright notice for the client library */
-	const string COPYRIGHT("Copyright (c) 2013-2020 Frank Pagliughi");
+	const string COPYRIGHT("Copyright (c) 2013-2023 Frank Pagliughi");
 #endif
 
 /////////////////////////////////////////////////////////////////////////////