diff --git a/Procfile b/Procfile
index b462d59..0870a32 100644
--- a/Procfile
+++ b/Procfile
@@ -1,3 +1,4 @@
 web: ./manage.py runserver
 watch-js: npm run build:js -- --watch
 watch-css: npm run build:css -- --watch
+watch-contrib: while inotifywait -e modify ./scripts/copy-npm-contrib.sh; do ./scripts/copy-npm-contrib.sh; done