diff --git a/CHANGELOG.md b/CHANGELOG.md
index a1275b8160..7ab3df3497 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,7 @@ The following sections list the changes for unreleased.
 * Bugfix - Fix Thumbnails for IDs without a trailing path: [#3791](https://github.com/owncloud/ocis/pull/3791)
 * Change - The `glauth` and `accounts` services are removed: [#3685](https://github.com/owncloud/ocis/pull/3685)
 * Change - Prevent access to disabled space: [#3779](https://github.com/owncloud/ocis/pull/3779)
+* Enhancement - Introduce service registry cache: [#3833](https://github.com/owncloud/ocis/pull/3833)
 * Enhancement - Add descriptions for graph-explorer config: [#3759](https://github.com/owncloud/ocis/pull/3759)
 * Enhancement - Add /me/changePassword endpoint to GraphAPI: [#3063](https://github.com/owncloud/ocis/issues/3063)
 * Enhancement - Add description tags to the thumbnails config structs: [#3752](https://github.com/owncloud/ocis/pull/3752)
@@ -121,6 +122,13 @@ The following sections list the changes for unreleased.
 
    https://github.com/owncloud/ocis/pull/3779
 
+* Enhancement - Introduce service registry cache: [#3833](https://github.com/owncloud/ocis/pull/3833)
+
+   We've improved the service registry / service discovery by setting up registry caching (TTL
+   20s), so that not every requests has to do a lookup on the registry.
+
+   https://github.com/owncloud/ocis/pull/3833
+
 * Enhancement - Add descriptions for graph-explorer config: [#3759](https://github.com/owncloud/ocis/pull/3759)
 
    Added descriptions tags to the graph-explorer config tags so that they will be included in the