diff --git a/.github/workflows/grandpa-cw-docker-image.yml b/.github/workflows/grandpa-cw-docker-image.yml
index 5556bbf5d..eec69ea06 100644
--- a/.github/workflows/grandpa-cw-docker-image.yml
+++ b/.github/workflows/grandpa-cw-docker-image.yml
@@ -3,12 +3,12 @@ name: "Build and publish Grandpa Docker image"
 on:
   push:
     branches:
-      - '*'
+      - 'master'
     tags:
-      - 'v*'
+      - '*cosmos*'
 
 env:
-  IMAGE_NAME: ${{ github.repository }}
+  IMAGE_NAME: "composablefi/grandpa-cw"
 
 jobs:
   
@@ -18,7 +18,6 @@ jobs:
     
     runs-on:
       - self-hosted
-      - x64-monster
     
     concurrency:
       group: grandpa-cw-image-${{ github.ref }}