diff --git a/.github/workflows/ubuntu.yml b/.github/workflows/ubuntu.yml
index fa3c5597..fadf7a49 100644
--- a/.github/workflows/ubuntu.yml
+++ b/.github/workflows/ubuntu.yml
@@ -5,6 +5,7 @@ on:
     branches: [ master ]
   pull_request:
     branches: [ master ]
+  workflow_dispatch:
 
 jobs:
   build: