diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 2ec1e4f..f9bfbc9 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -13,6 +13,8 @@ on:
   pull_request:
     branches:
       - master
+  # attempt to re-run a given "release" job
+  workflow_dispatch:
 env:
   REGISTRY: ghcr.io
   IMAGE_NAME: ${{ github.repository }}