diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 28e4e8b0..8cb0c68c 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -7,6 +7,8 @@ on:
     - docker
     tags:
     - '*'
+  schedule:
+    - cron:  '0 4 */2 * *'
 
 jobs:
   build: