diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 61ef2af..4ce3847 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -14,6 +14,8 @@ on:
   pull_request:
     branches:
       - master
+  schedule:
+    - cron: '0 9,21 * * *'
 defaults:
   run:
     shell: bash