diff --git a/build/Dockerfile.nginxplus b/build/Dockerfile.nginxplus
index b77aa9a744..198416ccc1 100644
--- a/build/Dockerfile.nginxplus
+++ b/build/Dockerfile.nginxplus
@@ -4,7 +4,7 @@ FROM scratch AS nginx-files
 # the following links can be replaced with local files if needed, i.e. ADD --chown=101:1001 <local_file> <container_file>
 ADD --link --chown=101:1001 https://cs.nginx.com/static/keys/nginx_signing.rsa.pub nginx_signing.rsa.pub
 
-FROM alpine:3.21
+FROM alpine:3.22
 
 ARG NGINX_PLUS_VERSION=R34
 # renovate: datasource=github-tags depName=nginx/agent