diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index d93a791..aa98784 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -8,6 +8,9 @@ on:
 
     pull_request:
 
+    schedule:
+        - cron: '20 16 * * SUN'
+
 jobs:
 
     tests: