diff --git a/.buildkite/pipeline.yaml b/.buildkite/pipeline.yaml
index e98d7026..6e595120 100644
--- a/.buildkite/pipeline.yaml
+++ b/.buildkite/pipeline.yaml
@@ -9,3 +9,8 @@ steps:
     plugins:
       - docker#v3.0.1:
           image: "python:3.6"
+
+  - label: "rebuild matrix.org"
+    trigger: "matrix-dot-org"
+    async: true
+    branches: "master"