diff --git a/Dockerfile b/Dockerfile
index 26c8a70..a18d70a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,9 @@
-FROM golang:1.20 AS builder
+FROM golang AS builder
 
 COPY serial/ /src/serial/
 WORKDIR /src/serial
 
-RUN go get -d -v golang.org/x/net/html
-RUN go get -d -v github.com/gorilla/mux
+RUN go mod download
 RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o /src/serial/main .
 
 FROM debian:bookworm-slim