diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 6e77c25..dc1cc48 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -1,7 +1,10 @@
 name: Run tests
 
-on: [push, pull_request]
-
+on: 
+  push:
+  workflow_dispatch:
+  schedule:
+    - cron: '15 3 1 * *'  # <https://crontab.guru/#45_16_*_*_0> 
 jobs:
   test:
     runs-on: ${{ matrix.os }}