diff --git a/maintner/maintnerd/Dockerfile b/maintner/maintnerd/Dockerfile
index 991042c..23b91e0 100644
--- a/maintner/maintnerd/Dockerfile
+++ b/maintner/maintnerd/Dockerfile
@@ -2,7 +2,7 @@
 # Use of this source code is governed by a BSD-style
 # license that can be found in the LICENSE file.
 
-FROM golang:1.17 AS build
+FROM golang:1.19 AS build
 LABEL maintainer="golang-dev@googlegroups.com"
 
 RUN mkdir /gocache
@@ -27,7 +27,7 @@
 RUN go install golang.org/x/build/maintner/maintnerd
 
 
-FROM debian:buster
+FROM debian:bullseye
 LABEL maintainer="golang-dev@googlegroups.com"
 
 # For interacting with the Go source & subrepos