diff --git a/Dockerfile b/Dockerfile
index e5582e3..6f3ad03 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@ FROM alpine:latest
 
 RUN apk add openssh
 
-RUN echo 'PasswordAuthentication yes' >> /etc/ssh/sshd_config
+RUN echo 'PasswordAuthentication yes' >> /etc/ssh/sshd_config && echo 'GatewayPorts yes' >> /etc/ssh/sshd_config
 
 RUN adduser -h /home/user -s /bin/sh -D user