diff --git a/CHANGELOG.md b/CHANGELOG.md
index f5a1ab9c9..43452aa88 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@ The following sections list the changes for unreleased.
 * Change - Move runtime code on refs/pman over to owncloud/ocis/ocis: [#1483](https://github.com/owncloud/ocis/pull/1483)
 * Enhancement - Use a default protocol parameter instead of explicitly disabling tus: [#1331](https://github.com/cs3org/reva/pull/1331)
 * Enhancement - Functionality to map home directory to different storage providers: [#1186](https://github.com/owncloud/ocis/pull/1186)
+* Enhancement - Introduce ADR: [#1042](https://github.com/owncloud/ocis/pull/1042)
 * Enhancement - Switch to opencontainers annotation scheme: [#1381](https://github.com/owncloud/ocis/pull/1381)
 * Enhancement - Update reva to v1.5.2-0.20210125114636-0c10b333ee69: [#1482](https://github.com/owncloud/ocis/pull/1482)
 
@@ -54,6 +55,13 @@ The following sections list the changes for unreleased.
    https://github.com/owncloud/ocis/pull/1186
    https://github.com/cs3org/reva/pull/1142
 
+* Enhancement - Introduce ADR: [#1042](https://github.com/owncloud/ocis/pull/1042)
+
+   We will keep track of [Architectual Decision Records using
+   Markdown](https://adr.github.io/madr/) in `/docs/adr`.
+
+   https://github.com/owncloud/ocis/pull/1042
+
 * Enhancement - Switch to opencontainers annotation scheme: [#1381](https://github.com/owncloud/ocis/pull/1381)
 
    Switch docker image annotation scheme to org.opencontainers standard because