diff --git a/homeassistant/components/nobo_hub/const.py b/homeassistant/components/nobo_hub/const.py
index 8b231f76a7a2fa..4e1cd852f1789a 100644
--- a/homeassistant/components/nobo_hub/const.py
+++ b/homeassistant/components/nobo_hub/const.py
@@ -1,5 +1,7 @@
 """Constants for the Nobø Ecohub integration."""
 
+from typing import Final
+
 DOMAIN = "nobo_hub"
 
 CONF_SERIAL = "serial"
@@ -8,9 +10,9 @@
 OVERRIDE_TYPE_NOW = "now"
 
 NOBO_MANUFACTURER = "Glen Dimplex Nordic AS"
-ATTR_HARDWARE_VERSION = "hardware_version"
-ATTR_SOFTWARE_VERSION = "software_version"
-ATTR_SERIAL = "serial"
-ATTR_TEMP_COMFORT_C = "temp_comfort_c"
-ATTR_TEMP_ECO_C = "temp_eco_c"
-ATTR_ZONE_ID = "zone_id"
+ATTR_HARDWARE_VERSION: Final = "hardware_version"
+ATTR_SOFTWARE_VERSION: Final = "software_version"
+ATTR_SERIAL: Final = "serial"
+ATTR_TEMP_COMFORT_C: Final = "temp_comfort_c"
+ATTR_TEMP_ECO_C: Final = "temp_eco_c"
+ATTR_ZONE_ID: Final = "zone_id"
diff --git a/homeassistant/components/nobo_hub/manifest.json b/homeassistant/components/nobo_hub/manifest.json
index 8388e42a952753..9863ab8db92117 100644
--- a/homeassistant/components/nobo_hub/manifest.json
+++ b/homeassistant/components/nobo_hub/manifest.json
@@ -13,5 +13,5 @@
   "integration_type": "hub",
   "iot_class": "local_push",
   "quality_scale": "bronze",
-  "requirements": ["pynobo==1.8.1"]
+  "requirements": ["pynobo==1.9.0"]
 }
diff --git a/requirements_all.txt b/requirements_all.txt
index b00e373447ae4b..f903465d2f34ba 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -2360,7 +2360,7 @@ pynintendoauth==1.0.2
 pynintendoparental==2.3.4
 
 # homeassistant.components.nobo_hub
-pynobo==1.8.1
+pynobo==1.9.0
 
 # homeassistant.components.nordpool
 pynordpool==0.4.0
diff --git a/requirements_test_all.txt b/requirements_test_all.txt
index 604b8893e3fef1..407d9fcf5c1779 100644
--- a/requirements_test_all.txt
+++ b/requirements_test_all.txt
@@ -2028,7 +2028,7 @@ pynintendoauth==1.0.2
 pynintendoparental==2.3.4
 
 # homeassistant.components.nobo_hub
-pynobo==1.8.1
+pynobo==1.9.0
 
 # homeassistant.components.nordpool
 pynordpool==0.4.0