diff --git a/.github/workflows/tox.yaml b/.github/workflows/tox.yaml
index 40ca8d9..8fc6768 100644
--- a/.github/workflows/tox.yaml
+++ b/.github/workflows/tox.yaml
@@ -1,6 +1,6 @@
 name: Tox PR CI
 
-on: [pull_request]
+on: [pull_request, workflow_dispatch]
 
 jobs:
   build: