diff --git a/pkgs/development/python-modules/home-assistant-bluetooth/default.nix b/pkgs/development/python-modules/home-assistant-bluetooth/default.nix
index fba93118b9de..f155a5db19c3 100644
--- a/pkgs/development/python-modules/home-assistant-bluetooth/default.nix
+++ b/pkgs/development/python-modules/home-assistant-bluetooth/default.nix
@@ -31,6 +31,11 @@ buildPythonPackage rec {
     hash = "sha256-KTaZ3xbZpBIN5zP73YdJW6QeCQThGdqejnfWwvL+0R8=";
   };
 
+  patches = [
+    # https://github.com/home-assistant-libs/home-assistant-bluetooth/issues/38
+    ./habluetooth-3.0-compat.patch
+  ];
+
   postPatch = ''
     # drop pytest parametrization (coverage, etc.)
     sed -i '/addopts/d' pyproject.toml
diff --git a/pkgs/development/python-modules/home-assistant-bluetooth/habluetooth-3.0-compat.patch b/pkgs/development/python-modules/home-assistant-bluetooth/habluetooth-3.0-compat.patch
new file mode 100644
index 000000000000..c56d890fd8aa
--- /dev/null
+++ b/pkgs/development/python-modules/home-assistant-bluetooth/habluetooth-3.0-compat.patch
@@ -0,0 +1,50 @@
+diff --git a/tests/test_models.py b/tests/test_models.py
+index ecfd70c..b8001f2 100644
+--- a/tests/test_models.py
++++ b/tests/test_models.py
+@@ -88,6 +88,7 @@ def test_model_from_scanner():
+         "service_uuids": ["cba20d00-224d-11e6-9fb8-0002a5d5c51b"],
+         "source": "local",
+         "time": now,
++        "tx_power": -127,
+     }
+ 
+ 
+@@ -109,6 +110,7 @@ def test_construct_service_info_bleak():
+         advertisement=switchbot_adv,
+         connectable=False,
+         time=now,
++        tx_power=None,
+     )
+ 
+     assert service_info.service_uuids == ["cba20d00-224d-11e6-9fb8-0002a5d5c51b"]
+@@ -132,6 +134,7 @@ def test_construct_service_info_bleak():
+         "service_uuids": ["cba20d00-224d-11e6-9fb8-0002a5d5c51b"],
+         "source": "local",
+         "time": now,
++        "tx_power": None,
+     }
+ 
+ 
+@@ -165,6 +168,7 @@ def test_from_device_and_advertisement_data():
+         "service_uuids": ["cba20d00-224d-11e6-9fb8-0002a5d5c51b"],
+         "source": "local",
+         "time": now_monotonic,
++        "tx_power": -127,
+     }
+ 
+ 
+@@ -200,6 +204,7 @@ def test_pyobjc_compat():
+         advertisement=switchbot_adv,
+         connectable=False,
+         time=now,
++        tx_power=None,
+     )
+ 
+     assert service_info.service_uuids == ["cba20d00-224d-11e6-9fb8-0002a5d5c51b"]
+@@ -223,4 +228,5 @@ def test_pyobjc_compat():
+         "service_uuids": ["cba20d00-224d-11e6-9fb8-0002a5d5c51b"],
+         "source": "local",
+         "time": now,
++        "tx_power": None,
+     }