diff --git a/README.md b/README.md
index a18e4e4..671da4c 100644
--- a/README.md
+++ b/README.md
@@ -17,6 +17,12 @@ docker buildx build -t edp.buildth.ing/devfw-cicd/garm:provider-ec-[new_number]
 kubectl apply -f ../garm/deploy.yaml
 ´´´
 
+Don't forget to rebuild the ubuntu-host-runner if anything changed in the `runner` folder:
+
+```
+docker buildx build --platform linux/amd64 --push -t edp.buildth.ing/devfw-cicd/ubuntu-host-runner:latest runner
+```
+
 # Configuration
 
 ## Extra Specs