diff --git a/bin/update_requirements b/bin/update_requirements
index 6e5b61f..abdf835 100755
--- a/bin/update_requirements
+++ b/bin/update_requirements
@@ -27,22 +27,22 @@ def get_package(requre: str) -> str:
 
 harequire = []
 request = requests.get(
-    "https://raw.githubusercontent.com/home-assistant/home-assistant/dev/setup.py"
+    "https://raw.githubusercontent.com/home-assistant/core/dev/requirements.txt"
 )
-request = request.text.split("REQUIRES = [")[1].split("]")[0].split("\n")
+request = request.text.split("\n")
 for req in request:
     if "=" in req:
-        harequire.append(get_package(req.split('"')[1]))
+        harequire.append(get_package(req))
 
 print(harequire)
 
-with open(f"{PKG_PATH}/manifest.json") as manifest:
+with open(f"{PKG_PATH}/manifest.json", encoding="utf8") as manifest:
     manifest = json.load(manifest)
     requirements = []
     for req in manifest["requirements"]:
         requirements.append(get_package(req))
     manifest["requirements"] = requirements
-with open(f"{ROOT}/requirements.txt") as requirements:
+with open(f"{ROOT}/requirements.txt", encoding="utf8") as requirements:
     tmp = requirements.readlines()
     requirements = []
     for req in tmp:
@@ -58,5 +58,5 @@ for req in manifest["requirements"]:
     if pkg in harequire:
         print(f"{pkg} in HA requirements, no need here.")
 print(json.dumps(manifest["requirements"], indent=4))
-with open(f"{PKG_PATH}/manifest.json", "w") as manifestfile:
+with open(f"{PKG_PATH}/manifest.json", "w", encoding="utf8") as manifestfile:
     manifestfile.write(json.dumps(manifest, indent=4))
diff --git a/custom_components/integration_blueprint/manifest.json b/custom_components/integration_blueprint/manifest.json
index 81e94a6..4849748 100644
--- a/custom_components/integration_blueprint/manifest.json
+++ b/custom_components/integration_blueprint/manifest.json
@@ -1,14 +1,14 @@
 {
-  "domain": "",
-  "name": "",
-  "version": "",
-  "documentation": "https://github.com/Limych/ha-blueprint",
-  "issue_tracker": "",
-  "dependencies": [],
-  "config_flow": true,
-  "codeowners": [
-    "@Limych"
-  ],
-  "requirements": [],
-  "iot_class": "cloud_polling"
-}
+    "domain": "",
+    "name": "",
+    "version": "",
+    "documentation": "https://github.com/Limych/ha-blueprint",
+    "issue_tracker": "",
+    "dependencies": [],
+    "config_flow": true,
+    "codeowners": [
+        "@Limych"
+    ],
+    "requirements": [],
+    "iot_class": "cloud_polling"
+}
\ No newline at end of file
diff --git a/tests/const.py b/tests/const.py
index 83ee391..380577e 100644
--- a/tests/const.py
+++ b/tests/const.py
@@ -1,5 +1,7 @@
 """Constants for tests."""
+from typing import Final
+
 from custom_components.integration_blueprint.const import CONF_PASSWORD, CONF_USERNAME
 
 # Mock config data to be used across multiple tests
-MOCK_CONFIG = {CONF_USERNAME: "test_username", CONF_PASSWORD: "test_password"}
+MOCK_CONFIG: Final = {CONF_USERNAME: "test_username", CONF_PASSWORD: "test_password"}