diff --git a/.changeset/forty-onions-wash.md b/.changeset/forty-onions-wash.md
new file mode 100644
index 0000000..dcc03ea
--- /dev/null
+++ b/.changeset/forty-onions-wash.md
@@ -0,0 +1,7 @@
+---
+"saleor-app-products-feed": minor
+---
+
+Feed format has been changed to leverage Product Group ID field:
+- Product ID: feed items use SKU if available, product variant ID is used otherwise
+- Product Group ID: product ID is used for all the items
diff --git a/apps/products-feed/src/modules/google-feed/generate-google-xml-feed.test.ts b/apps/products-feed/src/modules/google-feed/generate-google-xml-feed.test.ts
index 7a3f892..edc8685 100644
--- a/apps/products-feed/src/modules/google-feed/generate-google-xml-feed.test.ts
+++ b/apps/products-feed/src/modules/google-feed/generate-google-xml-feed.test.ts
@@ -16,6 +16,7 @@ const productBase: GoogleFeedProductVariantFragment["product"] = {
   seoDescription: "Seo description",
   slug: "product-slug",
   thumbnail: { __typename: "Image", url: "" },
+  attributes: [],
 };
 
 const priceBase: GoogleFeedProductVariantFragment["pricing"] = {
@@ -46,6 +47,7 @@ describe("generateGoogleXmlFeed", () => {
           pricing: priceBase,
           name: "Product variant",
           product: productBase,
+          attributes: [],
         },
         {
           id: "id2",
@@ -55,6 +57,7 @@ describe("generateGoogleXmlFeed", () => {
           pricing: priceBase,
           name: "Product variant 2",
           product: productBase,
+          attributes: [],
         },
       ],
     });
@@ -68,6 +71,7 @@ describe("generateGoogleXmlFeed", () => {
           <description>Description</description>
           <item>
             <g:id>sku1</g:id>
+            <g:item_group_id>product-id</g:item_group_id>
             <title>Product - Product variant</title>
             <g:condition>new</g:condition>
             <g:availability>in_stock</g:availability>
@@ -78,6 +82,7 @@ describe("generateGoogleXmlFeed", () => {
           </item>
           <item>
             <g:id>sku2</g:id>
+            <g:item_group_id>product-id</g:item_group_id>
             <title>Product - Product variant 2</title>
             <g:condition>new</g:condition>
             <g:availability>out_of_stock</g:availability>
diff --git a/apps/products-feed/src/modules/google-feed/product-to-proxy.test.ts b/apps/products-feed/src/modules/google-feed/product-to-proxy.test.ts
index 3741a91..edeab11 100644
--- a/apps/products-feed/src/modules/google-feed/product-to-proxy.test.ts
+++ b/apps/products-feed/src/modules/google-feed/product-to-proxy.test.ts
@@ -2,13 +2,13 @@ import { describe, it, expect } from "vitest";
 import { productToProxy } from "./product-to-proxy";
 
 describe("productToProxy", () => {
-  it("Falls back product ID, if product SKU doesnt exist", () => {
+  it("Falls back product ID, if product SKU doesn't exist", () => {
     const result = productToProxy({
       slug: "slug",
       availability: "in_stock",
       category: "1",
       condition: "new",
-      id: "id",
+      id: "product-id",
       name: "Name",
       variantId: "variant-id",
     });
@@ -16,13 +16,13 @@ describe("productToProxy", () => {
     expect(result.item).toEqual(
       expect.arrayContaining([
         {
-          "g:id": expect.arrayContaining([{ "#text": "id" }]),
+          "g:id": expect.arrayContaining([{ "#text": "variant-id" }]),
         },
       ])
     );
   });
 
-  it('Falls back g:condition to "new" if product condition doesnt exist', () => {
+  it('Falls back g:condition to "new" if product condition doesn\'t exist', () => {
     const result = productToProxy({
       slug: "slug",
       availability: "in_stock",
@@ -31,7 +31,7 @@ describe("productToProxy", () => {
        * Missing condition field:
        * condition: "new",
        */
-      id: "id",
+      id: "product-id",
       name: "Name",
       variantId: "variant-id",
     });
@@ -51,7 +51,7 @@ describe("productToProxy", () => {
       availability: "in_stock",
       category: "1",
       condition: "new",
-      id: "id",
+      id: "product-id",
       name: "Name",
       variantId: "variant-id",
       description: "Product description",
@@ -73,7 +73,7 @@ describe("productToProxy", () => {
       category: "1",
       condition: "new",
       googleProductCategory: "1",
-      id: "id",
+      id: "product-id",
       name: "Name",
       variantId: "variant-id",
     });
@@ -94,7 +94,7 @@ describe("productToProxy", () => {
       category: "1",
       condition: "new",
       googleProductCategory: "1",
-      id: "id",
+      id: "product-id",
       name: "Name",
       variantId: "variant-id",
       storefrontUrlTemplate: "https://example.com/p/{productSlug}/{productId}/{variantId}",
@@ -105,7 +105,7 @@ describe("productToProxy", () => {
         {
           link: expect.arrayContaining([
             {
-              "#text": "https://example.com/p/slug/id/variant-id",
+              "#text": "https://example.com/p/slug/product-id/variant-id",
             },
           ]),
         },
@@ -120,7 +120,7 @@ describe("productToProxy", () => {
       category: "1",
       condition: "new",
       googleProductCategory: "1",
-      id: "id",
+      id: "product-id",
       name: "Name",
       variantId: "variant-id",
       imageUrl: "https://image.example.com",
@@ -142,7 +142,7 @@ describe("productToProxy", () => {
       category: "1",
       condition: "new",
       googleProductCategory: "1",
-      id: "id",
+      id: "product-id",
       name: "Name",
       variantId: "variant-id",
       imageUrl: "https://image.example.com",
diff --git a/apps/products-feed/src/modules/google-feed/product-to-proxy.ts b/apps/products-feed/src/modules/google-feed/product-to-proxy.ts
index f4dd8c3..23571af 100644
--- a/apps/products-feed/src/modules/google-feed/product-to-proxy.ts
+++ b/apps/products-feed/src/modules/google-feed/product-to-proxy.ts
@@ -1,15 +1,19 @@
 import { fillUrlTemplate } from "../feed-url/fill-url-template";
 import { GoogleProxyItem, ProductEntry } from "./types";
 
-/**
- * TODO Test
- */
 export const productToProxy = (p: ProductEntry) => {
   const item: GoogleProxyItem[] = [
     {
       "g:id": [
         {
-          "#text": p.sku || p.id,
+          "#text": p.sku || p.variantId,
+        },
+      ],
+    },
+    {
+      "g:item_group_id": [
+        {
+          "#text": p.id,
         },
       ],
     },