diff --git a/.github/workflows/regenerate-protobuf.yml b/.github/workflows/regenerate-protobuf.yml
index 69deae9..885dc08 100644
--- a/.github/workflows/regenerate-protobuf.yml
+++ b/.github/workflows/regenerate-protobuf.yml
@@ -10,12 +10,14 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
+        # Include the pull request ref in the checkout action to prevent merge commit
+        # https://github.com/actions/checkout?tab=readme-ov-file#checkout-pull-request-head-commit-instead-of-merge-commit
         with:
-          ref: ${{ github.event.pull_request.head.ref }}
+          ref: ${{ github.event.pull_request.head.sha }}
 
       - name: Set up Go
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v5
         with:
           go-version: "1.22.0"
 
@@ -42,15 +44,11 @@ jobs:
         run: |
           task proto:all
 
-      - name: Configure git
-        run: |
-          git config --global user.name 'github-actions[bot]'
-          git config --global user.email 'github-actions[bot]@users.noreply.github.com'
-
-      - name: Commit and push changes
-        run: |
-          git add .
-          git commit -m "Regenerate protobuf files"
-          git push origin HEAD:${{ github.event.pull_request.head.ref }}
+      - uses: planetscale/ghcommit-action@v0.1.6
+        with:
+          commit_message: "🤖 regenerate protobuf files"
+          repo: ${{ github.repository }}
+          branch: ${{ github.head_ref || github.ref_name }}
+          file_pattern: '*.pb.go'
         env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
diff --git a/service-a/bye/bye.proto b/service-a/bye/bye.proto
index e92e810..f69f560 100644
--- a/service-a/bye/bye.proto
+++ b/service-a/bye/bye.proto
@@ -8,6 +8,7 @@ option go_package = "github.com/graham-chainlink/shared-proto-spike/service-a/by
 message ByeRequest {
   string name = 1;
   string signature = 2;
+  string icon = 3;
 }
 
 // The response message containing the greetings.