diff --git a/.github/workflows/build-images.yaml b/.github/workflows/build-images.yaml
index 3823367..a8ea4c2 100644
--- a/.github/workflows/build-images.yaml
+++ b/.github/workflows/build-images.yaml
@@ -13,8 +13,8 @@ on:
 
 env:
   REGISTRY: ghcr.io
-  IMAGE_NAME_UBUNTU: ${{ github.repository }}
-  IMAGE_NAME_FEDORA: ${{ github.repository }}-fedora
+  IMAGE_NAME_UBUNTU: ghcr.io/mellanox/ovn-kubernetes-dpf
+  IMAGE_NAME_FEDORA: ghcr.io/mellanox/ovn-kubernetes-dpf-fedora
 
 jobs:
   build-ubuntu:
@@ -58,7 +58,7 @@ jobs:
         id: meta
         uses: docker/metadata-action@v5
         with:
-          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME_UBUNTU }}
+          images: ${{ env.IMAGE_NAME_UBUNTU }}
       
       - name: Build and push Ubuntu image
         uses: docker/build-push-action@v5
@@ -67,13 +67,14 @@ jobs:
           file: ./Dockerfile.ovn-kubernetes.ubuntu
           platforms: linux/amd64,linux/arm64
           push: ${{ github.event_name != 'pull_request' }}
-          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME_UBUNTU }}:${{ steps.tag.outputs.tag }}
+          tags: ${{ env.IMAGE_NAME_UBUNTU }}:${{ steps.tag.outputs.tag }}
           labels: ${{ steps.meta.outputs.labels }}
           build-args: |
             OVN_KUBERNETES_DIR=ovn-kubernetes
             BUILDER_IMAGE=quay.io/projectquay/golang:1.24
           cache-from: type=gha
           cache-to: type=gha,mode=max
+          provenance: false
 
   build-fedora:
     runs-on: ubuntu-latest
@@ -116,7 +117,7 @@ jobs:
         id: meta
         uses: docker/metadata-action@v5
         with:
-          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME_FEDORA }}
+          images: ${{ env.IMAGE_NAME_FEDORA }}
       
       - name: Build and push Fedora image
         uses: docker/build-push-action@v5
@@ -125,11 +126,12 @@ jobs:
           file: ./Dockerfile.ovn-kubernetes.fedora
           platforms: linux/amd64,linux/arm64
           push: ${{ github.event_name != 'pull_request' }}
-          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME_FEDORA }}:${{ steps.tag.outputs.tag }}
+          tags: ${{ env.IMAGE_NAME_FEDORA }}:${{ steps.tag.outputs.tag }}
           labels: ${{ steps.meta.outputs.labels }}
           build-args: |
             OVN_KUBERNETES_DIR=ovn-kubernetes
             BUILDER_IMAGE=quay.io/projectquay/golang:1.24
           cache-from: type=gha
           cache-to: type=gha,mode=max
+          provenance: false
 
diff --git a/.github/workflows/publish-helm.yaml b/.github/workflows/publish-helm.yaml
index e081e71..92a32d4 100644
--- a/.github/workflows/publish-helm.yaml
+++ b/.github/workflows/publish-helm.yaml
@@ -6,6 +6,9 @@ on:
       - main
     tags:
       - 'v*'
+  pull_request:
+    branches:
+      - main
   workflow_dispatch:
 
 env:
@@ -35,10 +38,6 @@ jobs:
         with:
           version: 'latest'
       
-      - name: Log in to Container Registry
-        run: |
-          echo "${{ secrets.GITHUB_TOKEN }}" | helm registry login ${{ env.REGISTRY }} --username ${{ github.actor }} --password-stdin
-      
       - name: Determine tag
         id: tag
         run: |
@@ -49,7 +48,18 @@ jobs:
           fi
           echo "tag=${TAG}" >> $GITHUB_OUTPUT
       
+      - name: Log in to Container Registry
+        if: github.event_name != 'pull_request'
+        run: |
+          echo "${{ secrets.GITHUB_TOKEN }}" | helm registry login ${{ env.REGISTRY }} --username ${{ github.actor }} --password-stdin
+      
+      - name: Build Helm chart
+        if: github.event_name == 'pull_request'
+        run: |
+          make helm-build TAG=${{ steps.tag.outputs.tag }} REGISTRY=ghcr.io/mellanox
+      
       - name: Build and publish Helm chart
+        if: github.event_name != 'pull_request'
         run: |
           make helm-publish TAG=${{ steps.tag.outputs.tag }} REGISTRY=ghcr.io/mellanox