diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 2d70b1ac5ba..4142d733f04 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -35,6 +35,11 @@ jobs:
           scripts/install/core
           scripts/install/frontend
 
+      - name: ⏲️ Set time zone
+        uses: szenius/set-timezone@v2.0
+        with:
+          timezoneLinux: 'Asia/Singapore'
+
       - name: 🏃 Run tests
         env:
           PYTEST: true
@@ -69,6 +74,11 @@ jobs:
           scripts/install/core_dev
           scripts/install/frontend
 
+      - name: ⏲️ Set time zone
+        uses: szenius/set-timezone@v2.0
+        with:
+          timezoneLinux: 'Asia/Singapore'
+
       - name: 🏃 Run tests
         env:
           PYTEST: true
diff --git a/custom_components/hacs/repositories/base.py b/custom_components/hacs/repositories/base.py
index ba8be0e89b6..82c533b1e3b 100644
--- a/custom_components/hacs/repositories/base.py
+++ b/custom_components/hacs/repositories/base.py
@@ -2,7 +2,7 @@
 from __future__ import annotations
 
 from asyncio import sleep
-from datetime import datetime
+from datetime import datetime, UTC
 import os
 import pathlib
 import shutil
@@ -196,7 +196,7 @@ def update_data(self, data: dict, action: bool = False) -> None:
                 continue
 
             if key == "last_fetched" and isinstance(value, float):
-                setattr(self, key, datetime.fromtimestamp(value))
+                setattr(self, key, datetime.fromtimestamp(value, UTC))
             elif key == "id":
                 setattr(self, key, str(value))
             elif key == "country":
@@ -501,7 +501,7 @@ async def common_registration(self) -> None:
 
         if self.repository_object:
             self.data.last_updated = self.repository_object.attributes.get("pushed_at", 0)
-            self.data.last_fetched = datetime.utcnow()
+            self.data.last_fetched = datetime.now(UTC)
 
     @concurrent(concurrenttasks=10, backoff_time=5)
     async def common_update(self, ignore_issues=False, force=False, skip_releases=False) -> bool:
@@ -549,7 +549,7 @@ async def common_update(self, ignore_issues=False, force=False, skip_releases=Fa
         self.additional_info = await self.async_get_info_file_contents()
 
         # Set last fetch attribute
-        self.data.last_fetched = datetime.utcnow()
+        self.data.last_fetched = datetime.now(UTC)
 
         return True
 
diff --git a/custom_components/hacs/utils/data.py b/custom_components/hacs/utils/data.py
index 12e9db73e49..93ac665bc31 100644
--- a/custom_components/hacs/utils/data.py
+++ b/custom_components/hacs/utils/data.py
@@ -2,7 +2,7 @@
 from __future__ import annotations
 
 import asyncio
-from datetime import datetime
+from datetime import datetime, UTC
 from typing import Any
 
 from homeassistant.core import callback
@@ -308,7 +308,7 @@ def async_restore_repository(self, entry: str, repository_data: dict[str, Any]):
         repository.data.manifest_name = repository_data.get("manifest_name")
 
         if last_fetched := repository_data.get("last_fetched"):
-            repository.data.last_fetched = datetime.fromtimestamp(last_fetched)
+            repository.data.last_fetched = datetime.fromtimestamp(last_fetched, UTC)
 
         repository.repository_manifest = HacsManifest.from_dict(
             repository_data.get("manifest") or repository_data.get("repository_manifest") or {}