diff --git a/App/pelagia-portal/.env.example b/App/pelagia-portal/.env.example
index ea96e96..bc10979 100644
--- a/App/pelagia-portal/.env.example
+++ b/App/pelagia-portal/.env.example
@@ -39,4 +39,4 @@ EMAIL_FROM_NAME="Pelagia Portal"
 # Run the GstService/ microservice alongside the app.
 # Development default (localhost:3002) is used if this is unset.
 # Start the service with: cd GstService && npm run dev
-GST_SERVICE_URL=http://localhost:3002
+GST_SERVICE_URL=http://localhost:3003
diff --git a/App/pelagia-portal/app/api/gst/captcha/route.ts b/App/pelagia-portal/app/api/gst/captcha/route.ts
index d58222f..2ab6113 100644
--- a/App/pelagia-portal/app/api/gst/captcha/route.ts
+++ b/App/pelagia-portal/app/api/gst/captcha/route.ts
@@ -1,7 +1,7 @@
 import { auth } from "@/auth";
 import { NextResponse } from "next/server";
 
-const GST_SERVICE = process.env.GST_SERVICE_URL ?? "http://localhost:3002";
+const GST_SERVICE = process.env.GST_SERVICE_URL ?? "http://localhost:3003";
 
 /** Proxy: load GST portal page + fetch CAPTCHA → { sessionId, captchaBase64 } */
 export async function GET() {
diff --git a/App/pelagia-portal/app/api/gst/route.ts b/App/pelagia-portal/app/api/gst/route.ts
index 29a6d0c..ff0a0be 100644
--- a/App/pelagia-portal/app/api/gst/route.ts
+++ b/App/pelagia-portal/app/api/gst/route.ts
@@ -1,7 +1,7 @@
 import { auth } from "@/auth";
 import { NextRequest, NextResponse } from "next/server";
 
-const GST_SERVICE = process.env.GST_SERVICE_URL ?? "http://localhost:3002";
+const GST_SERVICE = process.env.GST_SERVICE_URL ?? "http://localhost:3003";
 
 /** Proxy: submit GSTIN + captcha answer → taxpayer data */
 export async function POST(req: NextRequest) {
diff --git a/GstService/src/index.ts b/GstService/src/index.ts
index 98a7a5f..7229922 100644
--- a/GstService/src/index.ts
+++ b/GstService/src/index.ts
@@ -1,7 +1,7 @@
 import express from "express";
 import { chromium, type Browser, type BrowserContext, type Page } from "playwright";
 
-const PORT = Number(process.env.PORT ?? 3002);
+const PORT = Number(process.env.PORT ?? 3003);
 const SESSION_TTL_MS = 3 * 60 * 1000; // 3 min
 
 // ── Singleton browser ─────────────────────────────────────────────────────────