diff --git a/.woodpecker.yml b/.woodpecker.yml
index b947f76..6253f2e 100644
--- a/.woodpecker.yml
+++ b/.woodpecker.yml
@@ -18,7 +18,8 @@ steps:
       branch: "antifascista"
       event: "push"
 matrix:
-  ALPINE_VERSION:
-  - "3.20.0"
-  - "3.19.1"
-  - "3.18.6"
+  include:
+  - ALPINE_VERSION: "3.20.1"
+  - ALPINE_VERSION: "3.19.2"
+  - ALPINE_VERSION: "3.18.7"
+  - ALPINE_VERSION: "3.17.8"
diff --git a/Dockerfile b/Dockerfile
index 00e4ebb..0dd48fd 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 ARG ALPINE_VERSION=3.18.3
 ARG BASE_IMAGE=gitea.nulo.in/sutty/monit
 FROM ${BASE_IMAGE}:${ALPINE_VERSION}
-MAINTAINER "f <f@sutty.nl>"
+LABEL org.opencontainers.image.authors="f@sutty.nl"
 
 ARG MMMONIT_VERSION=0.2.1
 ENV DATABASE_URL "/srv/mmmonit.sqlite3"