diff --git a/README.md b/README.md
index 52c2570..ad8acad 100644
--- a/README.md
+++ b/README.md
@@ -79,6 +79,12 @@ This will serve the frontend locally on `http://localhost:4200` and take care of
 
 If you've created a production build (without `--build-arg NOFRONTEND=1`) you don't have to run the frontend locally and you can access the challenge on `http://localhost:8888`.
 
+### Building the TFW baseimage without test-tutorial-framework
+
+You might need to build our baseimage separately in case you've cloned an existing challenge depending on a specific version.
+
+To do this simply issue `BASEIMAGE_ONLY=version bash -c "$(curl -fsSL https://git.io/vxBfj)"`, where `version` is a tag or commit of the [baseimage-tutorial-framework](https://github.com/avatao-content/baseimage-tutorial-framework) repository.
+
 ## Getting our hands dirty
 
 The repository of a tutorial-framework based challenge is quite similar to a regular challenge.