diff --git a/Dockerfile b/Dockerfile
index 3f1dc0a..7e010d7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,6 +2,8 @@ FROM ruby:3.3.0
 
 ENV RAILS_ENV=production
 
+RUN adduser --system --group factuur
+
 WORKDIR /app
 
 # Install Yarn