diff --git a/Dockerfile b/Dockerfile
index d38d1f0..e1bab8d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ ARG BASE_IMAGE="nginx:1.15-alpine"
 FROM ${BASE_IMAGE}
 
 # Install ping and ip
-RUN apk add --no-cache iproute2 iputils nginx-mod-http-lua bash
+RUN apk add --no-cache iproute2 iputils nginx-mod-http-lua nginx-mod-stream bash
 
 # Default nginx proxy envs
 ENV NGINX_PROXY_SOURCE_PORT=${NGINX_PROXY_SOURCE_PORT:-"Please configure NGINX_PROXY_SOURCE_PORT env!"}