diff --git a/Dockerfile b/Dockerfile
index 3392358..e0f6d29 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # 基础镜像
-FROM golang:1.19rc1-bullseye
+FROM golang:1.19rc2-bullseye
 
 # 作者信息
 LABEL MAINTAINER="xiaoqidun@gmail.com"