diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 0d0d07d..59759d0 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -6,6 +6,9 @@ on:
     pull_request:
       branches:
         - main
+  schedule:
+    # 3 am Tuesdays and Fridays
+    - cron: "0 3 * * 2,5"
 
 concurrency:
   group: "${{ github.workflow }}-${{ github.ref }}"