diff --git a/homeassistant/components/ecobee/config_flow.py b/homeassistant/components/ecobee/config_flow.py
index 98254d0f0b45..9d09596e3578 100644
--- a/homeassistant/components/ecobee/config_flow.py
+++ b/homeassistant/components/ecobee/config_flow.py
@@ -75,7 +75,7 @@ class EcobeeFlowHandler(ConfigFlow, domain=DOMAIN):
                         self._ecobee.refresh_tokens
                     )
                 except EcobeeAuthMfaRequiredError as err:
-                    self._mfa_challenge = err.args[0]
+                    self._mfa_challenge = err.challenge
                     return await self.async_step_mfa()
                 except EcobeeAuthFailedError:
                     errors["base"] = "invalid_auth"
@@ -177,7 +177,7 @@ class EcobeeFlowHandler(ConfigFlow, domain=DOMAIN):
                     self._ecobee.refresh_tokens
                 )
             except EcobeeAuthMfaRequiredError as err:
-                self._mfa_challenge = err.args[0]
+                self._mfa_challenge = err.challenge
                 return await self.async_step_mfa()
             except EcobeeAuthFailedError:
                 errors["base"] = "invalid_auth"
diff --git a/homeassistant/components/ecobee/manifest.json b/homeassistant/components/ecobee/manifest.json
index 0e8105a6bf60..934f5753afa2 100644
--- a/homeassistant/components/ecobee/manifest.json
+++ b/homeassistant/components/ecobee/manifest.json
@@ -10,7 +10,7 @@
   "integration_type": "hub",
   "iot_class": "cloud_polling",
   "loggers": ["pyecobee"],
-  "requirements": ["python-ecobee-api==0.4.1"],
+  "requirements": ["python-ecobee-api==0.4.2"],
   "single_config_entry": true,
   "zeroconf": [
     {
diff --git a/requirements_all.txt b/requirements_all.txt
index cbc2171c3a43..b1f891cffc6e 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -2715,7 +2715,7 @@ python-dropbox-api==0.1.4
 python-duco-connectivity==0.18.0
 
 # homeassistant.components.ecobee
-python-ecobee-api==0.4.1
+python-ecobee-api==0.4.2
 
 # homeassistant.components.familyhub
 python-family-hub-local==0.0.2