diff --git a/.github/workflows/build-manager.yml b/.github/workflows/build-manager.yml
index 9dac4c27..ce429cfc 100644
--- a/.github/workflows/build-manager.yml
+++ b/.github/workflows/build-manager.yml
@@ -19,6 +19,7 @@ on:
       - 'kernel/**'
       - 'userspace/ksud/**'
   workflow_call:
+  workflow_dispatch:
 
 jobs:
   build-lkm: