diff --git a/.github/workflows/upload_schema.yml b/.github/workflows/upload_schema.yml
index c335655b58..7d8fb5c35f 100644
--- a/.github/workflows/upload_schema.yml
+++ b/.github/workflows/upload_schema.yml
@@ -5,6 +5,7 @@ env:
   LC_ALL: "C.UTF-8" # prevent ERROR: Ansible could not initialize the preferred locale: unsupported locale setting
 
 on:
+  workflow_dispatch:
   push:
     branches:
       - devel