diff --git a/Dockerfile b/Dockerfile
index d724dd0..0c55a56 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,12 +4,11 @@ FROM curlimages/curl:latest as metrics
 WORKDIR /metrics/
 USER root
 RUN mkdir -p /metrics/
-RUN curl -o nats-exporter.tar.gz -L https://github.com/nats-io/prometheus-nats-exporter/releases/download/v0.9.1/prometheus-nats-exporter-v0.9.1-linux-amd64.tar.gz
+RUN curl -o nats-exporter.tar.gz -L https://github.com/nats-io/prometheus-nats-exporter/releases/download/v0.12.0/prometheus-nats-exporter-v0.12.0-linux-x86_64.tar.gz
 RUN tar zxvf nats-exporter.tar.gz
-RUN mv prometheus-nats-exporter*/prometheus-nats-exporter ./
 
 ### stage: build flyutil
-FROM golang:1.17 as flyutil
+FROM golang:1.20 as flyutil
 ARG VERSION
 
 WORKDIR /go/src/github.com/fly-apps/nats-cluster
@@ -19,10 +18,10 @@ RUN go mod download
 
 COPY . .
 
-RUN CGO_ENABLED=0 GOOS=linux go build -v -o /fly/bin/start ./cmd/start
+RUN CGO_ENABLED=0 GOOS=linux go build -v -buildvcs=false -o /fly/bin/start ./cmd/start
 
 # stage: final image
-FROM nats:2.7.2-scratch as nats-server
+FROM nats:2.9.20-scratch as nats-server
 
 FROM debian:bullseye-slim
 
@@ -30,4 +29,4 @@ COPY --from=nats-server /nats-server /usr/local/bin/
 COPY --from=metrics /metrics/prometheus-nats-exporter /usr/local/bin/nats-exporter
 COPY --from=flyutil /fly/bin/start /usr/local/bin/
 
-CMD ["start"]
\ No newline at end of file
+CMD ["start"]