diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index f1e555e9..0a571f63 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -3,6 +3,7 @@ on:
   push:
     branches:
       - tcpserver-master-build
+  workflow_dispatch:
 
 jobs:
   build: