diff --git a/README.md b/README.md
index bc90d88..2af5874 100644
--- a/README.md
+++ b/README.md
@@ -23,6 +23,9 @@ bundle exec jekyll serve --watch
 or with docker:
 ```
 docker compose up
+
+# to force the rebuild of the docker image
+docker compose up --build
 ```