diff --git a/.github/workflows/test_and_deploy.yml b/.github/workflows/test_and_deploy.yml
index 7c0b4fb45..68bf29d04 100644
--- a/.github/workflows/test_and_deploy.yml
+++ b/.github/workflows/test_and_deploy.yml
@@ -17,23 +17,52 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+        with:
+          fetch-depth: 0  # Ensure full history is fetched
+
+      - name: Add upstream remote
+        run: |
+          # Add the upstream repository (base repo)
+          echo "Adding upstream remote..."
+          git remote add upstream https://github.com/siemens/ngx-datatable.git
+          git fetch upstream
+          echo "Upstream remote added and fetched."
+
+      - name: Fetch PR Branch from Fork
+        run: |
+          echo "Fetching PR branch from fork..."
+          git fetch origin ${{ github.head_ref }}:refs/remotes/origin/${{ github.head_ref }}
+          echo "Fetched PR branch: ${{ github.head_ref }}"
+
+      - name: Attach to PR Branch
+        run: |
+          echo "Checking out the PR branch: ${{ github.head_ref }}"
+          git checkout ${{ github.head_ref }}
+          echo "Checked out branch: ${{ github.head_ref }}"
 
-      - name: Fetch all branches
+      - name: Fetch the latest upstream master (or main) branch
         run: |
-          git fetch --all
+          echo "Fetching latest master from upstream..."
+          git fetch upstream master  # or main if that's your default branch
+          echo "Fetched latest master branch from upstream."
 
-      - name: Check for divergence from master
+      - name: Verify PR and Upstream master State
         run: |
-          git fetch origin master
-          UPSTREAM=${{ github.base_ref }} # Target branch of the pull request (usually master)
-          CURRENT=$(git rev-parse HEAD)  # Latest commit on the PR branch
-          MERGED=$(git merge-base HEAD origin/$UPSTREAM) # Common ancestor between HEAD and master
+          UPSTREAM=master  # Use 'main' if your default branch is named 'main'
+          echo "Target upstream branch: $UPSTREAM"
+          CURRENT=$(git rev-parse HEAD)
+          MERGED=$(git merge-base HEAD upstream/$UPSTREAM)
+
+          echo "Current commit hash: $CURRENT"
+          echo "Merged commit hash: $MERGED"
           
+          # Check if the branch is rebased or not
           if [ "$MERGED" != "$CURRENT" ]; then
-            echo "This branch is not rebased with the latest master."
+            echo "This branch is not rebased with the latest $UPSTREAM."
+            echo "Run 'git rebase upstream/$UPSTREAM' locally to fix this."
             exit 1
           else
-            echo "This branch is up-to-date with master."
+            echo "Branch is up-to-date with $UPSTREAM."
           fi
 
   build: