diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 402b449..9e9d11c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,6 +5,8 @@ on:
       - "**"
     tags:
       - "!**"
+  schedule:
+    - cron: "21 * * * *"
 
 jobs:
   lint: