diff --git a/Dockerfile b/Dockerfile
index 6763293..e8048bf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # 基础镜像
-FROM golang:1.20rc2-bullseye
+FROM golang:1.20rc3-bullseye
 
 # 作者信息
 LABEL MAINTAINER="xiaoqidun@gmail.com"
diff --git a/go.mod b/go.mod
index e6c8c54..83391e1 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,3 @@
 module github.com/xiaoqidun/goenv
 
-go 1.19
+go 1.20