diff --git a/CHANGELOG.md b/CHANGELOG.md
index 71b3278ae..0895a297d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -52,6 +52,7 @@ The following sections list the changes for unreleased.
 * Bugfix - Ignore address for kubernetes registry: [#9490](https://github.com/owncloud/ocis/pull/9490)
 * Bugfix - Use bool type for web embed delegatedAuthentication: [#9692](https://github.com/owncloud/ocis/pull/9692)
 * Bugfix - Repair nats-js-kv registry: [#9726](https://github.com/owncloud/ocis/pull/9726)
+* Enhancement - New WOPI operations added to the collaboration service: [#9505](https://github.com/owncloud/ocis/pull/9505)
 * Enhancement - Allow configuring grpc max connection age: [#9657](https://github.com/owncloud/ocis/pull/9657)
 * Enhancement - Gateways should directly talk to themselves: [#9714](https://github.com/owncloud/ocis/pull/9714)
 * Enhancement - Bump reva: [#9715](https://github.com/owncloud/ocis/pull/9715)
@@ -79,6 +80,14 @@ The following sections list the changes for unreleased.
    https://github.com/owncloud/ocis/pull/9726
    https://github.com/owncloud/ocis/pull/9656
 
+* Enhancement - New WOPI operations added to the collaboration service: [#9505](https://github.com/owncloud/ocis/pull/9505)
+
+   PutRelativeFile, DeleteFile and RenameFile operations have been added to the
+   collaboration service. GetFileInfo operation will now report the support of
+   these operations to the WOPI app
+
+   https://github.com/owncloud/ocis/pull/9505
+
 * Enhancement - Allow configuring grpc max connection age: [#9657](https://github.com/owncloud/ocis/pull/9657)
 
    We added a GRPC_MAX_CONNECTION_AGE env var that allows limiting the lifespan of