diff --git a/.github/workflows/playground-check.yaml b/.github/workflows/playground-check.yaml
index 7463647b0b..0ae0645391 100644
--- a/.github/workflows/playground-check.yaml
+++ b/.github/workflows/playground-check.yaml
@@ -1,7 +1,7 @@
 name: Playground operation check
 
 on:
-  pull_request:
+  workflow_dispatch:
   schedule:
     # Run this job once per day
     - cron: "0 0 * * *"