diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index 4402d08..7803773 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -5,6 +5,8 @@ on:
     branches: [ "master" ]
   pull_request:
     branches: [ "master" ]
+  schedule:
+    - cron: '0 0 * * *'
 
 jobs: