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
diff --git a/serial/go.mod b/serial/go.mod
index 2dc9a8d..c859227 100644
--- a/serial/go.mod
+++ b/serial/go.mod
@@ -2,3 +2,4 @@ module vdsm-serial
 
 go 1.20
 
+require github.com/gorilla/mux v1.8.0
diff --git a/serial/go.sum b/serial/go.sum
index 8b13789..5350288 100644
--- a/serial/go.sum
+++ b/serial/go.sum
@@ -1 +1,2 @@
-
+github.com/gorilla/mux v1.8.0 h1:i40aqfkR1h2SlN9hojwV5ZA91wcXFOvkdNIeFDP5koI=
+github.com/gorilla/mux v1.8.0/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
diff --git a/serial/main.go b/serial/main.go
index 3157fbf..8c1311c 100644
--- a/serial/main.go
+++ b/serial/main.go
@@ -1,15 +1,15 @@
 package main
 
 import (
-	"bytes"
-	"encoding/binary"
-	"flag"
 	"fmt"
 	"log"
 	"net"
+	"flag"
+	"bytes"
 	"strconv"
 	"net/http"
 	"math/rand"
+	"encoding/binary"
 	"github.com/gorilla/mux"
 )