diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 3679cc37c..470534e38 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -6,6 +6,7 @@ on:
       - 'master'
   schedule:
     - cron: '0 3 * * *'
+  workflow_call:
 
 jobs:
   generate-matrix: