diff --git a/docker/Dockerfile b/docker/Dockerfile
index c8e54c1..1f355d6 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -13,3 +13,5 @@ RUN useradd runner
 
 RUN echo '@runner soft nproc 16' >> /etc/security/limits.conf
 RUN echo '@runner hard nproc 16' >> /etc/security/limits.conf
+
+USER newuser