diff --git a/barker/barker/__version__.py b/barker/barker/__version__.py
new file mode 100644
index 0000000..5becc17
--- /dev/null
+++ b/barker/barker/__version__.py
@@ -0,0 +1 @@
+__version__ = "1.0.0"
diff --git a/barker/barker/routers/login.py b/barker/barker/routers/login.py
index 30c5392..6fc11c1 100644
--- a/barker/barker/routers/login.py
+++ b/barker/barker/routers/login.py
@@ -15,6 +15,7 @@ from fastapi.responses import JSONResponse
 from fastapi.security import OAuth2PasswordRequestForm
 from sqlalchemy.orm import Session
 
+from .. import __version__
 from ..core.security import (
     Token,
     authenticate_user,
@@ -85,6 +86,7 @@ async def login_for_access_token(
             ),
             "userId": str(user.id),
             "lockedOut": user.locked_out,
+            "ver": __version__.__version__,
         },
         expires_delta=access_token_expires,
     )
@@ -100,6 +102,7 @@ async def refresh_token(user: UserToken = Security(get_current_active_user)):
             "scopes": user.permissions,
             "userId": str(user.id_),
             "lockedOut": user.locked_out,
+            "ver": __version__.__version__,
         },
         expires_delta=access_token_expires,
     )
diff --git a/barker/pyproject.toml b/barker/pyproject.toml
index e670c40..b556791 100644
--- a/barker/pyproject.toml
+++ b/barker/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "barker"
-version = "0.1.0"
+version = "1.0.0"
 description = "Point of Sale for a restaurant"
 authors = ["tanshu <git@tanshu.com>"]
 
diff --git a/bookie/package.json b/bookie/package.json
index 1c185af..6e9ddc4 100644
--- a/bookie/package.json
+++ b/bookie/package.json
@@ -1,6 +1,6 @@
 {
   "name": "bookie",
-  "version": "0.0.0",
+  "version": "1.0.0",
   "scripts": {
     "ng": "ng",
     "start": "ng serve",
diff --git a/bookie/src/app/core/user.ts b/bookie/src/app/core/user.ts
index bae77d8..e111204 100644
--- a/bookie/src/app/core/user.ts
+++ b/bookie/src/app/core/user.ts
@@ -10,6 +10,7 @@ export class User {
   isAuthenticated: boolean;
   access_token?: string;
   exp?: number;
+  ver: string;
 
   public constructor(init?: Partial<User>) {
     Object.assign(this, init);
diff --git a/bookie/src/app/home/home.component.html b/bookie/src/app/home/home.component.html
index 90bd4ee..fbb3b0a 100644
--- a/bookie/src/app/home/home.component.html
+++ b/bookie/src/app/home/home.component.html
@@ -198,3 +198,6 @@
     <h3 class="item-name">Users</h3>
   </mat-card>
 </div>
+<footer class="footer">
+  <p>Backend: v{{ auth.user.ver }} / Frontend: v{{ version }}</p>
+</footer>
diff --git a/bookie/src/app/home/home.component.ts b/bookie/src/app/home/home.component.ts
index afb8f06..0571be3 100644
--- a/bookie/src/app/home/home.component.ts
+++ b/bookie/src/app/home/home.component.ts
@@ -1,5 +1,6 @@
 import { Component } from '@angular/core';
 
+import { environment } from '../../environments/environment';
 import { AuthService } from '../auth/auth.service';
 
 @Component({
@@ -8,5 +9,9 @@ import { AuthService } from '../auth/auth.service';
   styleUrls: ['./home.component.css'],
 })
 export class HomeComponent {
-  constructor(public auth: AuthService) {}
+  version: string;
+
+  constructor(public auth: AuthService) {
+    this.version = environment.version;
+  }
 }
diff --git a/bookie/src/app/sales/running-tables/running-tables.component.ts b/bookie/src/app/sales/running-tables/running-tables.component.ts
index 35212ae..0e1e124 100644
--- a/bookie/src/app/sales/running-tables/running-tables.component.ts
+++ b/bookie/src/app/sales/running-tables/running-tables.component.ts
@@ -22,7 +22,8 @@ export class RunningTablesComponent implements OnInit {
   navigateToBill(table: Table): void {
     const qp = { table: table.id };
     if (table.voucherId) {
-      qp.voucher = table.voucherId;
+      // eslint-disable-next-line @typescript-eslint/dot-notation
+      qp['voucher'] = table.voucherId;
     }
     const navigationExtras: NavigationExtras = {
       queryParams: qp,
diff --git a/bookie/src/environments/environment.prod.ts b/bookie/src/environments/environment.prod.ts
index 0dc912d..589b2eb 100644
--- a/bookie/src/environments/environment.prod.ts
+++ b/bookie/src/environments/environment.prod.ts
@@ -1,4 +1,5 @@
 export const environment = {
   production: true,
   ACCESS_TOKEN_REFRESH_MINUTES: 10, // refresh token 10 minutes before expiry
+  version: "1.0.0",
 };
diff --git a/bookie/src/environments/environment.ts b/bookie/src/environments/environment.ts
index 2498792..8cfcdb4 100644
--- a/bookie/src/environments/environment.ts
+++ b/bookie/src/environments/environment.ts
@@ -5,6 +5,7 @@
 export const environment = {
   production: false,
   ACCESS_TOKEN_REFRESH_MINUTES: 10, // refresh token 10 minutes before expiry
+  version: "1.0.0",
 };
 
 /*