diff --git a/builder/api/Dockerfile b/builder/api/Dockerfile
index e334bcf..7660174 100644
--- a/builder/api/Dockerfile
+++ b/builder/api/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.18-alpine3.17 as builder
+FROM golang:1.21.2-alpine3.17 as builder
 
 #RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.tuna.tsinghua.edu.cn/g' /etc/apk/repositories
 #RUN apk --update add --no-cache build-base