diff --git a/src/client/microsoftAuth.js b/src/client/microsoftAuth.js
index 8aea9890..99e947be 100644
--- a/src/client/microsoftAuth.js
+++ b/src/client/microsoftAuth.js
@@ -19,7 +19,7 @@ async function authenticate (client, options) {
   validateOptions(options)
 
   if (!client.authflow) client.authflow = new PrismarineAuth(options.username, options.profilesFolder, options, options.onMsaCode)
-  const { token, entitlements, profile, certificates } = await client.authflow.getMinecraftJavaToken({ fetchProfile: true, fetchCertificates: !options.disableChatSigning }).catch(e => {
+  const { token, entitlements, profile, certificates } = await client.authflow.getMinecraftJavaToken({ fetchProfile: true, fetchCertificates: !options.disableChatSigning, msaToken: options.msaToken }).catch(e => {
     if (options.password) console.warn('Sign in failed, try removing the password field\n')
     if (e.toString().includes('Not Found')) console.warn(`Please verify that the account ${options.username} owns Minecraft\n`)
     throw e
diff --git a/src/index.d.ts b/src/index.d.ts
index 42308525..8d6a0e9b 100644
--- a/src/index.d.ts
+++ b/src/index.d.ts
@@ -154,6 +154,7 @@ declare module 'minecraft-protocol' {
 		disableChatSigning?: boolean
 		/** Pass custom client implementation if needed. */
 		Client?: Client
+		msaToken?: string	// directly pass MSA bearer token
 	}
 
 	export class Server extends EventEmitter {