diff --git a/.github/workflows/parpe_tests.yml b/.github/workflows/parpe_tests.yml
index c795970f..5f4cadc3 100644
--- a/.github/workflows/parpe_tests.yml
+++ b/.github/workflows/parpe_tests.yml
@@ -1,7 +1,13 @@
 # https://help.github.com/en/actions/reference/workflow-syntax-for-github-actions
 # https://help.github.com/en/actions/configuring-and-managing-workflows/using-environment-variables
 name: parPE tests
-on: [push, pull_request, workflow_dispatch]
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+  schedule:
+    - cron:  '48 4 * * *'
+
 jobs:
   container:
     runs-on: ubuntu-latest