diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 1133b2b..67b091f 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -3,6 +3,10 @@ name: liecasadi
 on:
   push:
   pull_request:
+  schedule:
+  # * is a special character in YAML so you have to quote this string
+  # Execute a "nightly" build at 2 AM UTC
+  - cron:  '0 2 * * *'
 
 jobs:
   build: