diff --git a/Dockerfile b/Dockerfile
index e95e0f80..5b73f265 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -8,4 +8,6 @@ ENV JAVA_OPTS="$JAVA_OPTS -Xms256M -Xmx1G"
 
 EXPOSE 8080
 
+USER 65534:65534
+
 ENTRYPOINT [ "sh", "-c", "java $JAVA_OPTS -Djava.security.egd=file:/dev/./urandom -jar /dgcg.jar" ]