diff --git a/.github/workflows/dockerToHub.yml b/.github/workflows/dockerToHub.yml
index 4a9d531f3..052f52835 100644
--- a/.github/workflows/dockerToHub.yml
+++ b/.github/workflows/dockerToHub.yml
@@ -17,7 +17,7 @@ jobs:
     name: build image to aly
     # runs-on: "103.200"
     # runs-on: thinkpad
-    runs-on: ubuntu-latest
+    runs-on: z4
     #    runs-on: self-hosted
     steps:
       - name: Check out the repo