# Aerospike REST Client Release 1.6.3 (December 15, 2021)

**URL:** <https://discuss.aerospike.com/t/aerospike-rest-client-release-1-6-3-december-15-2021/9084>\
**Category:** Releases (Server, Client & Tools)\
**Created:** [December 15, 2021, 5:37pm UTC](https://discuss.aerospike.com/t/aerospike-rest-client-release-1-6-3-december-15-2021/9084 "2021-12-15T17:37:38Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![mcoberly](https://sea1.discourse-cdn.com/flex019/user_avatar/discuss.aerospike.com/mcoberly/32/637_2.png) [@mcoberly](https://discuss.aerospike.com/u/mcoberly)\
**Post date:** [December 15, 2021, 5:37pm UTC](https://discuss.aerospike.com/t/aerospike-rest-client-release-1-6-3-december-15-2021/9084/1 "2021-12-15T17:37:38Z")

</div>

[Aerospike REST Client version 1.6.3](https://www.aerospike.com/download/client/rest/notes.html#1.6.3)was released on December 15, 2021.

This release adds an update.

A bug affecting this version of the REST client [has been identified](https://discuss.aerospike.com/t/scan-bug-identified-client-1637/9095).

- If your application talks to Aerospike Server version 4.9 or later, you can safely upgrade to REST client 1.10.4. We strongly recommend that you do so at the earliest opportunity.

#### Updates

- Upgrade log4j2 to `2.15.0` (fixes [CVE-2021-44228](https://nvd.nist.gov/vuln/detail/CVE-2021-44228)).