diff --git a/Dockerfile b/Dockerfile
index c8372fe..6d84409 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
-FROM golang:1.18.6-alpine
-RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
+FROM golang:1.18.7-alpine
 RUN apk --no-cache add git
 RUN apk --no-cache add gcc
 RUN apk --no-cache add libc-dev
+RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories
 RUN go env -w GOPROXY=https://goproxy.io,direct
 RUN go env -w GOSUMDB=off
\ No newline at end of file