diff --git a/.github/workflows/generic-cylc-checks.yml b/.github/workflows/generic-cylc-checks.yml
index f822792..6c75688 100644
--- a/.github/workflows/generic-cylc-checks.yml
+++ b/.github/workflows/generic-cylc-checks.yml
@@ -6,7 +6,8 @@ on:
   pull_request:
     branches: [master, cylc-8]
   workflow_dispatch:
-
+  schedule:
+    - cron: "37 03 1,11,21 * *"
 
 jobs:
   check_workflow:
@@ -14,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        workflow: [clock-trigger, crontab_replacement, custom_memory_over_time, data-retrieve-first, five-day-collector, gui-demo, install-demo, optional-outputs, queues, return-info, runnable-workflow-script, set_platform_from_CLI, strange-parameters, workflow-state-triggers]
+        workflow: [clock-trigger, crontab_replacement, custom_memory_over_time, data-retrieve-first, five-day-collector, gui-demo, install-demo, optional-outputs, queues, return-info, set_platform_from_CLI, strange-parameters, workflow-state-triggers]
     steps:
       - name: Checkout
         uses: actions/checkout@v4