diff --git a/.github/workflows/merge-json.yml b/.github/workflows/merge-json.yml
index 780a8ad77..a66d047a1 100644
--- a/.github/workflows/merge-json.yml
+++ b/.github/workflows/merge-json.yml
@@ -1,9 +1,15 @@
 name: Merge JSON files
 
 on:
-  push:
-    paths:
-      - '/samples/**/assets/sample.json'
+    schedule:
+        - cron: "0 0 * * *"
+    workflow_dispatch:
+    push:
+        branches:
+        # When someone push to `main` branch
+        - main
+        paths:
+        - 'samples/**/assets/sample.json'
 
 jobs:
   merge: