diff --git a/README.md b/README.md
index c5297bfc7..13e3ac634 100644
--- a/README.md
+++ b/README.md
@@ -73,6 +73,13 @@ We welcome contributions from the community. If you wish to contribute code and
### License
Harbor is available under the [Apache 2 license](LICENSE).
+This project uses open source components which have additional licensing terms. The offcial docker images and licensing terms for these open source components can be found at the following locations:
+
+* Photon OS 1.0: [docker image](https://hub.docker.com/_/photon/), [license](https://github.com/vmware/photon/blob/master/COPYING)
+* Docker Registry 2.5: [docker image](https://hub.docker.com/_/registry/), [license](https://github.com/docker/distribution/blob/master/LICENSE)
+* MySQL 5.6: [docker image](https://hub.docker.com/_/mysql/), [license](https://github.com/docker-library/mysql/blob/master/LICENSE)
+* NGINX 1.9: [docker image](https://hub.docker.com/_/nginx/), [license](https://github.com/nginxinc/docker-nginx/blob/master/LICENSE)
+
### Partners
