diff --git a/homeassistant/components/frontend/__init__.py b/homeassistant/components/frontend/__init__.py
index b3907143eb9..188ecb8ff98 100644
--- a/homeassistant/components/frontend/__init__.py
+++ b/homeassistant/components/frontend/__init__.py
@@ -3,7 +3,6 @@ from __future__ import annotations
 
 from collections.abc import Iterator
 from functools import lru_cache
-import json
 import logging
 import os
 import pathlib
@@ -22,6 +21,7 @@ from homeassistant.const import CONF_MODE, CONF_NAME, EVENT_THEMES_UPDATED
 from homeassistant.core import HomeAssistant, ServiceCall, callback
 from homeassistant.helpers import service
 import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.json import json_dumps_sorted
 from homeassistant.helpers.storage import Store
 from homeassistant.helpers.translation import async_get_translations
 from homeassistant.helpers.typing import ConfigType
@@ -135,7 +135,7 @@ class Manifest:
         return self._serialized
 
     def _serialize(self) -> None:
-        self._serialized = json.dumps(self.manifest, sort_keys=True)
+        self._serialized = json_dumps_sorted(self.manifest)
 
     def update_key(self, key: str, val: str) -> None:
         """Add a keyval to the manifest.json."""
diff --git a/homeassistant/helpers/json.py b/homeassistant/helpers/json.py
index fd1153711ad..dbe3163da08 100644
--- a/homeassistant/helpers/json.py
+++ b/homeassistant/helpers/json.py
@@ -87,6 +87,15 @@ def json_dumps(data: Any) -> str:
     ).decode("utf-8")
 
 
+def json_dumps_sorted(data: Any) -> str:
+    """Dump json string with keys sorted."""
+    return orjson.dumps(
+        data,
+        option=orjson.OPT_NON_STR_KEYS | orjson.OPT_SORT_KEYS,
+        default=json_encoder_default,
+    ).decode("utf-8")
+
+
 json_loads = orjson.loads
 
 
diff --git a/tests/helpers/test_json.py b/tests/helpers/test_json.py
index 4968c872946..17066b682af 100644
--- a/tests/helpers/test_json.py
+++ b/tests/helpers/test_json.py
@@ -1,10 +1,15 @@
 """Test Home Assistant remote methods and classes."""
 import datetime
+import json
 
 import pytest
 
 from homeassistant import core
-from homeassistant.helpers.json import ExtendedJSONEncoder, JSONEncoder
+from homeassistant.helpers.json import (
+    ExtendedJSONEncoder,
+    JSONEncoder,
+    json_dumps_sorted,
+)
 from homeassistant.util import dt as dt_util
 
 
@@ -64,3 +69,11 @@ def test_extended_json_encoder(hass):
     # Default method falls back to repr(o)
     o = object()
     assert ha_json_enc.default(o) == {"__type": str(type(o)), "repr": repr(o)}
+
+
+def test_json_dumps_sorted():
+    """Test the json dumps sorted function."""
+    data = {"c": 3, "a": 1, "b": 2}
+    assert json_dumps_sorted(data) == json.dumps(
+        data, sort_keys=True, separators=(",", ":")
+    )