# How to upgrade jquery from 3.3.1 to 3.4.1 in RocketChat running on Ubuntu Snap

**URL:** https://forums.rocket.chat/t/how-to-upgrade-jquery-from-3-3-1-to-3-4-1-in-rocketchat-running-on-ubuntu-snap/6440
**Category:** Community Support
**Created:** [April 8, 2020, 4:23am UTC](https://forums.rocket.chat/t/how-to-upgrade-jquery-from-3-3-1-to-3-4-1-in-rocketchat-running-on-ubuntu-snap/6440 "2020-04-08T04:23:03Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![zincate](https://avatars.discourse-cdn.com/v4/letter/z/898d66/32.png) [@zincate](https://forums.rocket.chat/u/zincate)
#### Post date: [April 8, 2020, 4:23am UTC](https://forums.rocket.chat/t/how-to-upgrade-jquery-from-3-3-1-to-3-4-1-in-rocketchat-running-on-ubuntu-snap/6440/1 "2020-04-08T04:23:03Z")

</div>

### Description

Hi,

Due to a security vulnerability in jquery v3.3.1 (CVE-2019-11358), I am trying to upgrade the jquery in our RocketChat to version v3.4.1.

Have refreshed the snap from v2.4.1 to v.3.01, but it is still using jquery v3.3.1

Is anyone able to advise how can this be done?

### Server Setup Information

- Version of Rocket.Chat Server: 3.0.1
- Operating System: Ubuntu 16.04.6 LTS
- Deployment Method: snap
- Number of Running Instances: 1
- DB Replicaset Oplog: Enable
- NodeJS Version: 12.14.0 - x6
- MongoDB Version: 3.6.1
- Proxy: caddy
- Firewalls involved: n/a

### Any additional Information