diff --git a/.github/workflows/publish_docker.yml b/.github/workflows/publish_docker.yml
index 2de07db7..4630df4f 100644
--- a/.github/workflows/publish_docker.yml
+++ b/.github/workflows/publish_docker.yml
@@ -14,6 +14,7 @@ jobs:
         with:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
+          dockerfile: release.Dockerfile
           registry: docker.pkg.github.com
           repository: coq/bot/coqbot
           tag_with_ref: true