diff --git a/Dockerfile b/Dockerfile
index adc7d3a..79ea299 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,7 @@ FROM golang:1.17 as builder
 WORKDIR /go/src/github.com/sstarcher/helm-exporter
 COPY . /go/src/github.com/sstarcher/helm-exporter
 
-RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -o /go/bin/helm-exporter /go/src/github.com/sstarcher/helm-exporter/main.go
+RUN CGO_ENABLED=0 GOOS=linux GOARCH=${TARGETARCH} go build -o /go/bin/helm-exporter /go/src/github.com/sstarcher/helm-exporter/main.go
 
 FROM alpine:3
 RUN apk --update add ca-certificates