diff --git a/Dockerfile b/Dockerfile
index 8f212be..0554ec9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.20-alpine as builder
+FROM golang:1.21-alpine as builder
 WORKDIR /go/src/joylink.club/bj-rtsts-server
 COPY . ./
 RUN go env -w GO111MODULE=on && go env -w GOPROXY=https://goproxy.cn,direct && go build -o bj-rtsts-server