diff --git a/.github/workflows/Update-testnet.yml b/.github/workflows/Update-testnet.yml
index 4b0d07d0c25..447577677a5 100644
--- a/.github/workflows/Update-testnet.yml
+++ b/.github/workflows/Update-testnet.yml
@@ -20,18 +20,20 @@ jobs:
         run: echo "tag=ghcr.io/gear-tech/node:0.1.0-`echo ${GITHUB_SHA} | cut -c1-8`" >> $GITHUB_OUTPUT
 
   update-validator:
-    runs-on: [kuberunner]
+    runs-on: ubuntu-latest
     needs: tag-image
     steps:
               
       - name: SSH into VM
         uses: appleboy/ssh-action@v1.0.0
+        env: 
+          NEW_IMAGE: ${{ needs.tag-image.outputs.image_tag }}
         with:
           host: ${{ secrets.VARA_VALIDATOR_8 }}
           username: ${{ secrets.SSH_VARA_USERNAME }}
           key: ${{ secrets.VARA_SSH_PRIVATE_KEY }}
+          envs: NEW_IMAGE
           script: |
-            sudo echo "tag=ghcr.io/gear-tech/node:0.1.0-`echo ${GITHUB_SHA} | cut -c1-8`" >> $GITHUB_IMAGE_TAG
             sudo docker-compose -f /home/gear/docker-compose.yaml down
-            sudo sed -i 's|ghcr.io/gear-tech/node:.*|$GITHUB_IMAGE_TAG|' /home/gear/docker-compose.yaml
+            sudo sed -i 's|ghcr.io/gear-tech/node:.*|$NEW_IMAGE|' /home/gear/docker-compose.yaml
             sudo docker-compose -f /home/gear/docker-compose.yaml up -d