diff --git a/.github/workflows/docker-ubuntu-image.yml b/.github/workflows/docker-ubuntu-image.yml
index 42c8d378..4fd9d1da 100644
--- a/.github/workflows/docker-ubuntu-image.yml
+++ b/.github/workflows/docker-ubuntu-image.yml
@@ -1,6 +1,7 @@
 name: Build Docker Ubuntu Image
 
 on:
+  workflow_dispatch:
   push:
     branches:
       - 'master'