diff --git a/homeassistant/components/growatt_server/config_flow.py b/homeassistant/components/growatt_server/config_flow.py
index d6b2c7db9fe..c4a97a81f0a 100644
--- a/homeassistant/components/growatt_server/config_flow.py
+++ b/homeassistant/components/growatt_server/config_flow.py
@@ -47,7 +47,7 @@ class GrowattServerConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
 
         if not login_response["success"] and login_response["errCode"] == "102":
             return self._async_show_user_form({"base": "invalid_auth"})
-        self.user_id = login_response["userId"]
+        self.user_id = login_response["user"]["id"]
 
         self.data = user_input
         return await self.async_step_plant()
diff --git a/homeassistant/components/growatt_server/manifest.json b/homeassistant/components/growatt_server/manifest.json
index ab2d07c147b..79472359ab9 100644
--- a/homeassistant/components/growatt_server/manifest.json
+++ b/homeassistant/components/growatt_server/manifest.json
@@ -3,7 +3,7 @@
   "name": "Growatt",
   "config_flow": true,
   "documentation": "https://www.home-assistant.io/integrations/growatt_server/",
-  "requirements": ["growattServer==1.0.1"],
+  "requirements": ["growattServer==1.1.0"],
   "codeowners": ["@indykoning", "@muppet3000", "@JasperPlant"],
   "iot_class": "cloud_polling"
 }
diff --git a/homeassistant/components/growatt_server/sensor.py b/homeassistant/components/growatt_server/sensor.py
index 894d096fcd0..fa1d8b644d5 100644
--- a/homeassistant/components/growatt_server/sensor.py
+++ b/homeassistant/components/growatt_server/sensor.py
@@ -879,7 +879,7 @@ def get_device_list(api, config):
     if not login_response["success"] and login_response["errCode"] == "102":
         _LOGGER.error("Username, Password or URL may be incorrect!")
         return
-    user_id = login_response["userId"]
+    user_id = login_response["user"]["id"]
     if plant_id == DEFAULT_PLANT_ID:
         plant_info = api.plant_list(user_id)
         plant_id = plant_info["data"][0]["plantId"]
diff --git a/requirements_all.txt b/requirements_all.txt
index 4d718f912f8..1f8831d3f5d 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -745,7 +745,7 @@ greeneye_monitor==2.1
 greenwavereality==0.5.1
 
 # homeassistant.components.growatt_server
-growattServer==1.0.1
+growattServer==1.1.0
 
 # homeassistant.components.gstreamer
 gstreamer-player==1.1.2
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index c3adc943744..7916a6a4273 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -432,7 +432,7 @@ googlemaps==2.5.1
 greeclimate==0.11.8
 
 # homeassistant.components.growatt_server
-growattServer==1.0.1
+growattServer==1.1.0
 
 # homeassistant.components.profiler
 guppy3==3.1.0
diff --git a/tests/components/growatt_server/test_config_flow.py b/tests/components/growatt_server/test_config_flow.py
index 096052fd6cf..db46ed36911 100644
--- a/tests/components/growatt_server/test_config_flow.py
+++ b/tests/components/growatt_server/test_config_flow.py
@@ -40,7 +40,7 @@ GROWATT_PLANT_LIST_RESPONSE = {
     },
     "success": True,
 }
-GROWATT_LOGIN_RESPONSE = {"userId": 123456, "userLevel": 1, "success": True}
+GROWATT_LOGIN_RESPONSE = {"user": {"id": 123456}, "userLevel": 1, "success": True}
 
 
 async def test_show_authenticate_form(hass):