diff --git a/packages/core/src/layout/HomepageTimer/HomepageTimer.tsx b/packages/core/src/layout/HomepageTimer/HomepageTimer.tsx
index 2adbf8fbd5..ad54388cce 100644
--- a/packages/core/src/layout/HomepageTimer/HomepageTimer.tsx
+++ b/packages/core/src/layout/HomepageTimer/HomepageTimer.tsx
@@ -18,7 +18,10 @@ import React from 'react';
 import { HeaderLabel } from '../HeaderLabel';
 import { ConfigApi, useApi, configApiRef } from '@backstage/core-api';
 
-const timeFormat = { hour: '2-digit', minute: '2-digit' };
+const timeFormat: Intl.DateTimeFormatOptions = {
+  hour: '2-digit',
+  minute: '2-digit',
+};
 
 type TimeObj = {
   time: string;
@@ -41,7 +44,7 @@ function getTimes(configApi: ConfigApi) {
     if (clock.has('label') && clock.has('timezone')) {
       let label = clock.getString('label');
 
-      const options = {
+      const options: Intl.DateTimeFormatOptions = {
         timeZone: clock.getString('timezone'),
         ...timeFormat,
       };
diff --git a/yarn.lock b/yarn.lock
index 83d616bf20..16e5a9686e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -25819,9 +25819,9 @@ typescript-json-schema@^0.49.0:
     yargs "^16.2.0"
 
 typescript@^4.0.3, typescript@^4.1.3:
-  version "4.1.3"
-  resolved "https://registry.npmjs.org/typescript/-/typescript-4.1.3.tgz#519d582bd94cba0cf8934c7d8e8467e473f53bb7"
-  integrity sha512-B3ZIOf1IKeH2ixgHhj6la6xdwR9QrLC5d1VKeCSY4tvkqhF2eqd9O7txNlS0PO3GrBAFIdr3L1ndNwteUbZLYg==
+  version "4.2.3"
+  resolved "https://registry.npmjs.org/typescript/-/typescript-4.2.3.tgz#39062d8019912d43726298f09493d598048c1ce3"
+  integrity sha512-qOcYwxaByStAWrBf4x0fibwZvMRG+r4cQoTjbPtUlrWjBHbmCAww1i448U0GJ+3cNNEtebDteo/cHOR3xJ4wEw==
 
 ua-parser-js@^0.7.18:
   version "0.7.21"