diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4c1a3cf..f2385f1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,12 +9,15 @@ on:
     branches:
       - main
 
+  schedule:
+    - cron: 00 4 * * *
+
 env:
   CARGO_TERM_COLOR: always
 
 jobs:
   build:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       fail-fast: false
       matrix: