# Chef Infra Server 15.6.1 Released!

**URL:** <https://discourse.chef.io/t/chef-infra-server-15-6-1-released/21917>\
**Category:** Chef Release Announcements\
**Created:** [March 7, 2023, 4:35pm UTC](https://discourse.chef.io/t/chef-infra-server-15-6-1-released/21917 "2023-03-07T16:35:20Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![chef-ci](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.chef.io/chef-ci/32/2320_2.png) [@chef-ci](https://discourse.chef.io/u/chef-ci)\
**Post date:** [March 7, 2023, 4:35pm UTC](https://discourse.chef.io/t/chef-infra-server-15-6-1-released/21917/1 "2023-03-07T16:35:21Z")

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We are delighted to announce the availability of version 15.6.1 of Chef Infra Server.

## Improvements

- We fixed an issue where cookbook uploads would fail due to mismatched signatures. Some server configurations (e.g. uppercase letters in FQDNs) could cause erroneous signature calculations leading to verification failures.

## Updated Components

- Meck
- MochiWeb
- Bump spring from 4.1.0 to 4.1.1 in /src/oc-id

## Security

- Added `Cache-Control: no-store` and `Pragma: no-cache` headers to certain SSL pages.

- Updated OpenJRE to 11.0.18+10 to resolve the following CVEs:

* * *

## Get the Build

You can download binaries directly from [downloads.chef.io](https://downloads.chef.io/tools/infra-server/stable?v=15.6.1).