diff --git a/.github/workflows/schedule_nightly_image_build.yaml b/.github/workflows/schedule_nightly_image_build.yaml
index d810659f..92f9920f 100644
--- a/.github/workflows/schedule_nightly_image_build.yaml
+++ b/.github/workflows/schedule_nightly_image_build.yaml
@@ -4,6 +4,7 @@ on:
   schedule:
     # UTC+8: 20pm, 23pm
     - cron: '0 12,15 * * *'
+  workflow_dispatch: 
 
 # This workflow builds and pushes Docker images for nightly-ci
 # It will be built base on the quay.io/ascend/vllm-ascend:main