diff --git a/.github/workflows/test-pypi-install.yml b/.github/workflows/test-pypi-install.yml
index f759844e..2981cd0d 100644
--- a/.github/workflows/test-pypi-install.yml
+++ b/.github/workflows/test-pypi-install.yml
@@ -1,6 +1,8 @@
 name: Test PyPI install
 
-on: [push]
+on:
+  schedule:
+    - cron: '0 0 1 * *'
 
 jobs:
   build: