diff --git a/.github/workflows/docker-image.yml b/.github/workflows/docker-image.yml
index 90a1ef8..ef07956 100644
--- a/.github/workflows/docker-image.yml
+++ b/.github/workflows/docker-image.yml
@@ -1,6 +1,7 @@
 name: Docker Image CI
 
 on:
+  workflow_dispatch:
   push:
     branches: [ "master" ]