diff --git a/Procfile b/Procfile
index 8ead007d..f04f9c2e 100644
--- a/Procfile
+++ b/Procfile
@@ -1,3 +1,3 @@
-web: bundle exec rackup -s puma -p $PORT
+web: rerun -p 'lib/**/*' 'bundle exec rackup -s puma -p $PORT'
 assets: rerun -x -p 'assets/**/*' 'bundle exec rakep'
 #specs: rerun -x -p 'public/**/*' './run_jasmine.coffee public/spec.html'