diff --git a/Dockerfile b/Dockerfile
index 37dcf2f..1716b87 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,8 +1,9 @@
 FROM golang:latest as builder
 ENV GOPROXY https://goproxy.io,direct
+ENV CGO_ENABLED 0
 WORKDIR /app
 COPY . .
-RUN go build -o ddns
+RUN go build -o ddns -tags netgo