diff --git a/.github/workflows/build-multiarch.yml b/.github/workflows/build-multiarch.yml
index 1a1baf3a..ee0083c7 100644
--- a/.github/workflows/build-multiarch.yml
+++ b/.github/workflows/build-multiarch.yml
@@ -4,7 +4,7 @@ on:
     branches:
       - multiarch
       - multiarch-latest
-      - "test/multiarch-*"
+      - test/multiarch/*
     tags:
       - "[0-9]+.[0-9]+.[0-9]+-multiarch"
       - "[0-9]+.[0-9]+.[0-9]+-multiarch-latest"
@@ -33,6 +33,7 @@ jobs:
           TAGS="${DOCKER_IMAGE}:${VERSION//\//-}"
           echo ::set-output name=tags::${TAGS}
           echo ::set-output name=cache_from::${TAGS}
+          echo ::set-output name=version::${VERSION//\//-}
           echo ::set-output name=cache_version::${VERSION//\//-}
 
       - name: Setup Docker Buildx
@@ -66,6 +67,11 @@ jobs:
           tags: ${{ steps.prep.outputs.tags }}
           cache-from: type=local,src=/tmp/.buildx-cache
           cache-to: type=local,dest=/tmp/.buildx-cache
+          labels: |
+            org.opencontainers.image.documentation=https://github.com/itzg/docker-minecraft-server
+            org.opencontainers.image.source=https://github.com/itzg/docker-minecraft-server
+            org.opencontainers.image.version=${{ steps.prep.outputs.version }}
+            org.opencontainers.image.revision=${{ github.sha }}
 
       - name: Image digest
         run: echo ${{ steps.docker_build.outputs.digest }}