diff --git a/build-image/kubectl/Dockerfile b/build-image/kubectl/Dockerfile
index 107fdcd..52207aa 100644
--- a/build-image/kubectl/Dockerfile
+++ b/build-image/kubectl/Dockerfile
@@ -1,6 +1,6 @@
 FROM alpine:3.18.0
 
-MAINTAINER smallkoudai <smallkoudai@gmail.com>
+LABEL smallkoudai <smallkoudai@gmail.com>
 
 ARG KUBE_VERSION=v1.23.12
 RUN apk add --update ca-certificates gettext git --no-cache && apk add --update -t deps curl && \