diff --git a/.github/workflows/dockerimage.yml b/.github/workflows/dockerimage.yml
index f302789..a0d9550 100644
--- a/.github/workflows/dockerimage.yml
+++ b/.github/workflows/dockerimage.yml
@@ -4,7 +4,8 @@ on:
   push:
     # Publish `master` as Docker `latest` image.
     branches:
-      - master
+      - master
+      - v6
 
     # Publish `v1.2.3` tags as releases.
     tags: