diff --git a/Config.h b/Config.h
index dceb52a..339bd9b 100644
--- a/Config.h
+++ b/Config.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#define NUKI_HUB_VERSION "8.9-json-1"
+#define NUKI_HUB_VERSION "8.9-json-2"
 
 #define MQTT_QOS_LEVEL 1
 #define MQTT_CLEAN_SESSIONS false
\ No newline at end of file
diff --git a/Network.cpp b/Network.cpp
index e156427..a932787 100644
--- a/Network.cpp
+++ b/Network.cpp
@@ -581,6 +581,7 @@ void Network::publishHASSConfig(char* deviceType, const char* baseTopic, char* n
 
         _device->mqttPublish(path.c_str(), MQTT_QOS_LEVEL, true, jsonOut);
 
+        delete jsonOut;
 
         // Battery critical
         publishHassTopic("binary_sensor",