Fix rebuild command
diff --git a/tests/docker/README.md b/tests/docker/README.md
index e8a049b..05073e6 100644
--- a/tests/docker/README.md
+++ b/tests/docker/README.md
@@ -11,6 +11,6 @@
 
 If you just want to force a (re)build and skip the interactive shell, run:
 
-    docker-compose up --build libavif
+    docker-compose up --build --force-recreate libavif
 
 *Note: This build process will take a while (15-30m or more depending on your machine).*