diff --git a/Dockerfile b/Dockerfile
index 32e986ea..26edc237 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ MAINTAINER tgic <farmer1992@gmail.com>
 
 RUN apt-get update && apt-get install -y libpam0g-dev libpam-google-authenticator
 
-RUN go get -tags pam github.com/tg123/sshpiper/sshpiperd
+RUN go get -d -tags pam github.com/tg123/sshpiper/sshpiperd
 RUN go install -ldflags "$(/go/src/github.com/tg123/sshpiper/sshpiperd/ldflags.sh)" -tags pam github.com/tg123/sshpiper/sshpiperd
 
 EXPOSE 2222