diff --git a/Dockerfile b/Dockerfile
index f3212dcb..2439a077 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,13 +1,13 @@
-FROM golang:1.12.7-alpine3.10 AS builder
+FROM golang:1.14.4-alpine3.12 AS builder
 
 ENV GO111MODULE on
-ENV GOPROXY https://goproxy.io
+ENV GOPROXY https://goproxy.cn
 
 RUN apk upgrade \
     && apk add git \
     && go get github.com/shadowsocks/go-shadowsocks2
 
-FROM alpine:3.10 AS dist
+FROM alpine:3.12 AS dist
 
 LABEL maintainer="mritd <mritd@linux.com>"