diff --git a/projects/control-service/cicd/.gitlab-ci.yml b/projects/control-service/cicd/.gitlab-ci.yml
index 1249a4ecfc..f0ff60ed8b 100644
--- a/projects/control-service/cicd/.gitlab-ci.yml
+++ b/projects/control-service/cicd/.gitlab-ci.yml
@@ -265,6 +265,7 @@ control_service_release:
       - main
     changes: *control_service_change_locations
 
+# TODO: automatically rebuild image on vdk-heartbeat change
 control_service_vdk_heartbeat_release:
   image: docker:19.03.8
   services:
diff --git a/projects/vdk-heartbeat/README.md b/projects/vdk-heartbeat/README.md
index aa65bb7234..801e58a959 100644
--- a/projects/vdk-heartbeat/README.md
+++ b/projects/vdk-heartbeat/README.md
@@ -62,6 +62,7 @@ Releases are made to PyPI. <br>
 Versioning follows https://semver.org.
 
 * A release step in Gitlab CI is automatically triggered after merging changes if build/tests are successful.
+* To trigger a control-service integration tests image rebuild, commit any `control_service_change_locations`-defined change in [CONTRIBUTING.md](../control-service/cicd/.gitlab-ci.yml) except [version.txt](../control-service/projects/helm_charts/pipelines-control-service/version.txt)- until automated
 * Update major or minor version when necessary only.
 
 ## Tests