# Mosquito MQTT stopped working after 5.0.0 Upgrade

**URL:** <https://community.homey.app/t/mosquito-mqtt-stopped-working-after-5-0-0-upgrade/43803>\
**Category:** Apps\
**Tags:** zigbee, tools\
**Created:** [February 28, 2021, 5:15pm UTC](https://community.homey.app/t/mosquito-mqtt-stopped-working-after-5-0-0-upgrade/43803 "2021-02-28T17:15:40Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Matthias\_Schorer](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/matthias_schorer/32/14026_2.png) [@Matthias\_Schorer](https://community.homey.app/u/Matthias_Schorer)\
**Post date:** [February 28, 2021, 5:15pm UTC](https://community.homey.app/t/mosquito-mqtt-stopped-working-after-5-0-0-upgrade/43803/1 "2021-02-28T17:15:40Z")

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I found that flows with Mosquito MQTT did not work anymore after upgrading to Homey V 5.0.0

Reason: MQTT client „forget“ MQTT Server IP address

Solution: re-enter IP address and save settings of MQTT client.