diff --git a/.version b/.version
index 5505e33..90a2716 100644
--- a/.version
+++ b/.version
@@ -1 +1 @@
-0.4.7.2b3
+0.4.7.3
diff --git a/README.md b/README.md
index 8fc32ac..35b1928 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,11 @@
 [![Downloads](https://pepy.tech/badge/meross-iot)](https://pepy.tech/project/meross-iot)
 ![PyPI - Downloads](https://img.shields.io/pypi/dm/meross-iot.svg?label=Pypi%20Downloads)
 
+⚠ !Attention! ⚠
+---
+Meross did change the login API without notice and that caused the library to break. 
+Please make sure to upgrade your library to v0.4.7.3 to fix the issue.
+---
 
 # Meross IoT library
 A pure-python based library providing API for controlling Meross IoT devices over the internet.
@@ -27,7 +32,7 @@ Due to the popularity of the library, I've decided to list it publicly on the Pi
 So, the installation is as simple as typing the following command:
 
 ```bash
-pip install meross_iot==0.4.7.1
+pip install meross_iot==0.4.7.3
 ```
 
 ## Usage & Full Documentation
@@ -193,11 +198,15 @@ Anyway, feel free to contribute via donations!
 </p>
 
 ## Changelog
-#### 0.4.7.1
-Updated requirements to use pycryptodomex instead of Crypto
+### 0.4.7.3
+- Fixes missing `mfaLockExpire` key in login response data due to unexpected API changes from Meross 
+
 
 <details>
     <summary>Older</summary>
+#### 0.4.7.1
+- Updated requirements to use pycryptodomex instead of Crypto
+
 #### 0.4.7.0
 - Added local-lan encryption capabilities to support newest Meross devices
 - Fixed roller shutter mixin not updating initial position after a full async_update() invocation
diff --git a/meross_iot/http_api.py b/meross_iot/http_api.py
index b8536ce..dfd705d 100644
--- a/meross_iot/http_api.py
+++ b/meross_iot/http_api.py
@@ -277,7 +277,6 @@ async def async_login(cls,
             user_email=response_data["email"],
             domain=response_data["domain"],
             mqtt_domain=response_data["mqttDomain"],
-            mfa_lock_expire=response_data["mfaLockExpire"],
             issued_on=datetime.utcnow()
         )
         if creds_env_var_name is not None:
diff --git a/meross_iot/model/credentials.py b/meross_iot/model/credentials.py
index 0f21e5a..9238549 100644
--- a/meross_iot/model/credentials.py
+++ b/meross_iot/model/credentials.py
@@ -9,14 +9,13 @@ class MerossCloudCreds(object):
     """
     Utility class that holds Meross Cloud credentials for a given user.
     """
-    def __init__(self, token: str, key: str, user_id: str, user_email: str, issued_on: Union[datetime, str], domain: str, mqtt_domain :str, mfa_lock_expire:int):
+    def __init__(self, token: str, key: str, user_id: str, user_email: str, issued_on: Union[datetime, str], domain: str, mqtt_domain :str):
         self.token = token
         self.key = key
         self.user_id = user_id
         self.user_email = user_email
         self.domain = domain
         self.mqtt_domain = mqtt_domain,
-        self.mfa_lock_expire = mfa_lock_expire
 
         if isinstance(issued_on, datetime):
             self.issued_on = issued_on
@@ -35,7 +34,6 @@ def to_json(self) -> str:
             "user_email": self.user_email,
             "domain": self.domain,
             "mqtt_domain": self.mqtt_domain,
-            "mfa_lock_expire": self.mfa_lock_expire,
             "issued_on": self.issued_on.isoformat()
         })