diff --git a/.github/workflows/twoslash-repros.yaml b/.github/workflows/twoslash-repros.yaml
index f4888f53341..ecd639e2c62 100644
--- a/.github/workflows/twoslash-repros.yaml
+++ b/.github/workflows/twoslash-repros.yaml
@@ -8,6 +8,7 @@ on:
     - cron:  '0 8 * * *'
   repository_dispatch:
     types: run-twoslash-repros
+  workflow_dispatch: {}
 
 jobs:
   build: