diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2eb0f22e655..93d593acf03 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@ The following sections list the changes for unreleased.
 
 * Bugfix - Specify primary user type for all accounts: [#2364](https://github.com/owncloud/ocis/pull/2364)
 * Bugfix - Fix naming of the user- and groupprovider services: [#2388](https://github.com/owncloud/ocis/pull/2388)
+* Change - Remove OnlyOffice extension: [#2433](https://github.com/owncloud/ocis/pull/2433)
 * Change - Update ownCloud Web to v4.1.0: [#2426](https://github.com/owncloud/ocis/pull/2426)
 * Enhancement - Use non root user for the owncloud/ocis docker image: [#2380](https://github.com/owncloud/ocis/pull/2380)
 * Enhancement - Replace unmaintained jwt library: [#2386](https://github.com/owncloud/ocis/pull/2386)
@@ -28,6 +29,17 @@ The following sections list the changes for unreleased.
 
    https://github.com/owncloud/ocis/pull/2388
 
+* Change - Remove OnlyOffice extension: [#2433](https://github.com/owncloud/ocis/pull/2433)
+
+   Tags: OnlyOffice
+
+   We've removed the OnlyOffice extension in oCIS. OnlyOffice has their own web extension for
+   OC10 backend now with [a dedicated
+   guide](https://owncloud.dev/clients/web/deployments/oc10-app/#onlyoffice). In
+   oCIS, we will follow up with a guide on how to start a WOPI server providing OnlyOffice soon.
+
+   https://github.com/owncloud/ocis/pull/2433
+
 * Change - Update ownCloud Web to v4.1.0: [#2426](https://github.com/owncloud/ocis/pull/2426)
 
    Tags: web