diff --git a/packages/cache/src/prepareExtension.ts b/packages/cache/src/prepareExtension.ts
index e7ec9740..0a35a4ec 100644
--- a/packages/cache/src/prepareExtension.ts
+++ b/packages/cache/src/prepareExtension.ts
@@ -1,6 +1,6 @@
 import { downloadFile, ensureCacheDirExists, unzipArchive } from '.'
 
-export const DEFAULT_METAMASK_VERSION = '11.9.1'
+export const DEFAULT_METAMASK_VERSION = '13.8.0'
 export const EXTENSION_DOWNLOAD_URL = `https://github.com/MetaMask/metamask-extension/releases/download/v${DEFAULT_METAMASK_VERSION}/metamask-chrome-${DEFAULT_METAMASK_VERSION}.zip`
 
 // NOTE: This function is copied from `wallets/metamask/src/prepareExtension.ts` only TEMPORARILY!
diff --git a/wallets/metamask/src/prepareExtension.ts b/wallets/metamask/src/prepareExtension.ts
index 94e66cd4..d55c7ddd 100644
--- a/wallets/metamask/src/prepareExtension.ts
+++ b/wallets/metamask/src/prepareExtension.ts
@@ -2,7 +2,7 @@ import path from 'node:path'
 import { downloadFile, ensureCacheDirExists, unzipArchive } from '@synthetixio/synpress-cache'
 import fs from 'fs-extra'
 
-export const DEFAULT_METAMASK_VERSION = '11.9.1'
+export const DEFAULT_METAMASK_VERSION = '13.8.0'
 export const EXTENSION_DOWNLOAD_URL = `https://github.com/MetaMask/metamask-extension/releases/download/v${DEFAULT_METAMASK_VERSION}/metamask-chrome-${DEFAULT_METAMASK_VERSION}.zip`
 
 export async function prepareExtension(forceCache = true) {