diff --git a/Dockerfile b/Dockerfile
index 7d6fca7..ec4f390 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,8 @@
 FROM golang:alpine3.12 AS builder
 WORKDIR /go/src/github.com/testcontainers/helloworld
+COPY go.mod go.sum ./
+RUN go mod download
 COPY . ./
-RUN go get .
 RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -ldflags '-extldflags "-static"' -o /helloworld .
 
 FROM scratch