diff --git a/docker/brook/Dockerfile b/docker/brook/Dockerfile
index 90be66a..640b744 100644
--- a/docker/brook/Dockerfile
+++ b/docker/brook/Dockerfile
@@ -5,13 +5,13 @@
 
 FROM golang:alpine as builder
 RUN set -ex && apk add --update git \
-	&& go get github.com/txthinking/brook/cli/brook
+	&& go get -u -v github.com/txthinking/brook/cli/brook
 
 FROM alpine:latest
 LABEL maintainer="Teddysun <i@teddysun.com>"
 
-COPY --from=builder /go/bin /usr/bin
+COPY --from=builder /go/bin/brook /usr/bin
 
 ENV ARGS="server -l :9000 -p password0"
 
-CMD /usr/bin/brook $ARGS
+CMD brook $ARGS