diff --git a/Config.h b/Config.h
index f85e225..fb1ed2d 100644
--- a/Config.h
+++ b/Config.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#define NUKI_HUB_VERSION "8.14"
+#define NUKI_HUB_VERSION "8.15"
 
 #define MQTT_QOS_LEVEL 1
 #define MQTT_CLEAN_SESSIONS false
diff --git a/Network.cpp b/Network.cpp
index c06ae1a..69b79d7 100644
--- a/Network.cpp
+++ b/Network.cpp
@@ -196,6 +196,11 @@ bool Network::update()
 
     _device->update();
 
+    if(!_mqttEnabled)
+    {
+        return true;
+    }
+
     if(!_device->isConnected())
     {
         if(_restartOnDisconnect && millis() > 60000)
@@ -1073,3 +1078,9 @@ void Network::clearWifiFallback()
 {
     memset(WiFi_fallbackDetect, 0, sizeof(WiFi_fallbackDetect));
 }
+
+void Network::disableMqtt()
+{
+    _device->disableMqtt();
+    _mqttEnabled = false;
+}
diff --git a/Network.h b/Network.h
index c30cc8b..0a81a1a 100644
--- a/Network.h
+++ b/Network.h
@@ -27,6 +27,7 @@ public:
     void reconfigureDevice();
     void setMqttPresencePath(char* path);
     void disableAutoRestarts(); // disable on OTA start
+    void disableMqtt();
 
     void subscribe(const char* prefix, const char* path);
     void initTopic(const char* prefix, const char* path, const char* value);
@@ -115,6 +116,7 @@ private:
     unsigned long _lastConnectedTs = 0;
     unsigned long _lastMaintenanceTs = 0;
     unsigned long _lastRssiTs = 0;
+    bool _mqttEnabled = true;
     static unsigned long _ignoreSubscriptionsTs;
     long _rssiPublishInterval = 0;
     std::function<void()> _keepAliveCallback = nullptr;
diff --git a/NukiOpenerWrapper.cpp b/NukiOpenerWrapper.cpp
index cda5e59..36acc7b 100644
--- a/NukiOpenerWrapper.cpp
+++ b/NukiOpenerWrapper.cpp
@@ -681,3 +681,8 @@ std::string NukiOpenerWrapper::hardwareVersion() const
 {
     return _hardwareVersion;
 }
+
+void NukiOpenerWrapper::disableWatchdog()
+{
+    _restartBeaconTimeout = -1;
+}
diff --git a/NukiOpenerWrapper.h b/NukiOpenerWrapper.h
index c5821d0..51dd574 100644
--- a/NukiOpenerWrapper.h
+++ b/NukiOpenerWrapper.h
@@ -22,6 +22,8 @@ public:
     
     void disableHASS();
 
+    void disableWatchdog();
+
     const NukiOpener::OpenerState& keyTurnerState();
     const bool isPaired();
     const bool hasKeypad();
diff --git a/NukiWrapper.cpp b/NukiWrapper.cpp
index b057bf1..b988aeb 100644
--- a/NukiWrapper.cpp
+++ b/NukiWrapper.cpp
@@ -709,3 +709,8 @@ std::string NukiWrapper::hardwareVersion() const
 {
     return _hardwareVersion;
 }
+
+void NukiWrapper::disableWatchdog()
+{
+    _restartBeaconTimeout = -1;
+}
diff --git a/NukiWrapper.h b/NukiWrapper.h
index 9912d49..9ac1080 100644
--- a/NukiWrapper.h
+++ b/NukiWrapper.h
@@ -25,6 +25,8 @@ public:
     
     void disableHASS();
 
+    void disableWatchdog();
+
     const NukiLock::KeyTurnerState& keyTurnerState();
     const bool isPaired();
     const bool hasKeypad();
diff --git a/WebCfgServer.cpp b/WebCfgServer.cpp
index 39c7b56..4a43b5f 100644
--- a/WebCfgServer.cpp
+++ b/WebCfgServer.cpp
@@ -1071,6 +1071,15 @@ void WebCfgServer::handleOtaUpload()
         _otaStartTs = millis();
         esp_task_wdt_init(30, false);
         _network->disableAutoRestarts();
+        _network->disableMqtt();
+        if(_nuki != nullptr)
+        {
+            _nuki->disableWatchdog();
+        }
+        if(_nukiOpener != nullptr)
+        {
+            _nukiOpener->disableWatchdog();
+        }
         Log->print("handleFileUpload Name: "); Log->println(filename);
     }
     else if (upload.status == UPLOAD_FILE_WRITE)
diff --git a/networkDevices/EthLan8720Device.cpp b/networkDevices/EthLan8720Device.cpp
index ddcd960..d586d84 100644
--- a/networkDevices/EthLan8720Device.cpp
+++ b/networkDevices/EthLan8720Device.cpp
@@ -130,13 +130,15 @@ ReconnectStatus EthLan8720Device::reconnect()
 
 void EthLan8720Device::update()
 {
-    if(_useEncryption)
+    if(_mqttEnabled)
     {
-        _mqttClientSecure->loop();
-    }
-    else
-    {
-        _mqttClient->loop();
+        if (_useEncryption)
+        {
+            _mqttClientSecure->loop();
+        } else
+        {
+            _mqttClient->loop();
+        }
     }
 }
 
@@ -310,3 +312,16 @@ uint16_t EthLan8720Device::mqttSubscribe(const char *topic, uint8_t qos)
         return _mqttClient->subscribe(topic, qos);
     }
 }
+
+void EthLan8720Device::disableMqtt()
+{
+    if (_useEncryption)
+    {
+        _mqttClientSecure->disconnect();
+    } else
+    {
+        _mqttClient->disconnect();
+    }
+
+    _mqttEnabled = false;
+}
diff --git a/networkDevices/EthLan8720Device.h b/networkDevices/EthLan8720Device.h
index c601a1d..7d39b48 100644
--- a/networkDevices/EthLan8720Device.h
+++ b/networkDevices/EthLan8720Device.h
@@ -62,6 +62,8 @@ public:
 
     uint16_t mqttSubscribe(const char *topic, uint8_t qos) override;
 
+    void disableMqtt() override;
+
 private:
     void onDisconnected();
 
@@ -83,6 +85,7 @@ private:
     eth_phy_type_t _type;
     eth_clock_mode_t _clock_mode;
     bool _use_mac_from_efuse;
+    bool _mqttEnabled = true;
 
     char _ca[TLS_CA_MAX_SIZE] = {0};
     char _cert[TLS_CERT_MAX_SIZE] = {0};
diff --git a/networkDevices/NetworkDevice.h b/networkDevices/NetworkDevice.h
index 8fc800d..907e18e 100644
--- a/networkDevices/NetworkDevice.h
+++ b/networkDevices/NetworkDevice.h
@@ -42,6 +42,7 @@ public:
     virtual void mqttOnMessage(espMqttClientTypes::OnMessageCallback callback) = 0;
     virtual void mqttOnConnect(espMqttClientTypes::OnConnectCallback callback) = 0;
     virtual void mqttOnDisconnect(espMqttClientTypes::OnDisconnectCallback callback) = 0;
+    virtual void disableMqtt() = 0;
 
     virtual uint16_t mqttSubscribe(const char* topic, uint8_t qos) = 0;
 
diff --git a/networkDevices/W5500Device.cpp b/networkDevices/W5500Device.cpp
index 08eec47..06c0f62 100644
--- a/networkDevices/W5500Device.cpp
+++ b/networkDevices/W5500Device.cpp
@@ -207,7 +207,10 @@ void W5500Device::initializeMacAddress(byte *mac)
 void W5500Device::update()
 {
     _maintainResult = Ethernet.maintain();
-    _mqttClient.loop();
+    if(_mqttEnabled)
+    {
+        _mqttClient.loop();
+    }
 }
 
 int8_t W5500Device::signalStrength()
@@ -279,3 +282,9 @@ uint16_t W5500Device::mqttPublish(const char *topic, uint8_t qos, bool retain, c
 {
     return _mqttClient.publish(topic, qos, retain, payload, length);
 }
+
+void W5500Device::disableMqtt()
+{
+    _mqttClient.disconnect();
+    _mqttEnabled = false;
+}
diff --git a/networkDevices/W5500Device.h b/networkDevices/W5500Device.h
index 12a964d..14290d0 100644
--- a/networkDevices/W5500Device.h
+++ b/networkDevices/W5500Device.h
@@ -59,6 +59,8 @@ public:
 
     uint16_t mqttSubscribe(const char *topic, uint8_t qos) override;
 
+    void disableMqtt() override;
+
 private:
     void resetDevice();
     void initializeMacAddress(byte* mac);
@@ -72,6 +74,7 @@ private:
     char* _path;
     W5500Variant _variant;
     bool _lastConnected = false;
+    bool _mqttEnabled = true;
 
     byte _mac[6];
 };
\ No newline at end of file
diff --git a/networkDevices/WifiDevice.cpp b/networkDevices/WifiDevice.cpp
index 610b8a2..ce906d0 100644
--- a/networkDevices/WifiDevice.cpp
+++ b/networkDevices/WifiDevice.cpp
@@ -142,13 +142,15 @@ ReconnectStatus WifiDevice::reconnect()
 
 void WifiDevice::update()
 {
-    if(_useEncryption)
+    if(_mqttEnabled)
     {
-        _mqttClientSecure->loop();
-    }
-    else
-    {
-        _mqttClient->loop();
+        if (_useEncryption)
+        {
+            _mqttClientSecure->loop();
+        } else
+        {
+            _mqttClient->loop();
+        }
     }
 }
 
@@ -327,3 +329,16 @@ uint16_t WifiDevice::mqttSubscribe(const char *topic, uint8_t qos)
         return _mqttClient->subscribe(topic, qos);
     }
 }
+
+void WifiDevice::disableMqtt()
+{
+    if (_useEncryption)
+    {
+        _mqttClientSecure->disconnect();
+    } else
+    {
+        _mqttClient->disconnect();
+    }
+
+    _mqttEnabled = false;
+}
diff --git a/networkDevices/WifiDevice.h b/networkDevices/WifiDevice.h
index 8d972cb..e787703 100644
--- a/networkDevices/WifiDevice.h
+++ b/networkDevices/WifiDevice.h
@@ -52,6 +52,8 @@ public:
 
     uint16_t mqttSubscribe(const char *topic, uint8_t qos) override;
 
+    void disableMqtt() override;
+
 private:
     static void clearRtcInitVar(WiFiManager*);
 
@@ -65,6 +67,7 @@ private:
     bool _startAp = false;
     char* _path;
     bool _useEncryption = false;
+    bool _mqttEnabled = true;
 
     char _ca[TLS_CA_MAX_SIZE] = {0};
     char _cert[TLS_CERT_MAX_SIZE] = {0};
diff --git a/webflash/nuki_hub.bin b/webflash/nuki_hub.bin
index 642ba38..d6ca379 100644
Binary files a/webflash/nuki_hub.bin and b/webflash/nuki_hub.bin differ