diff --git a/requirements.txt b/requirements.txt
index a5786ee..70bfe08 100644
Binary files a/requirements.txt and b/requirements.txt differ
diff --git a/src/app/core/configurations.py b/src/app/core/configurations.py
index 5e1e06b..7b9e5a9 100644
--- a/src/app/core/configurations.py
+++ b/src/app/core/configurations.py
@@ -4,12 +4,22 @@
 import platform
 
 from PyQt5.QtCore import QFile, QIODevice
-from pkg_resources import resource_filename
+from importlib.resources import files as _resource_files
 
 from app.data.models import Device
 from app.helpers.tools import Singleton, json_to_dict
 
 
+def resource_filename(package: str, resource: str) -> str:
+    """Return a filesystem path to a resource bundled inside a package.
+
+    Standard-library replacement for ``pkg_resources.resource_filename``,
+    which is unavailable once setuptools 81+ drops the ``pkg_resources``
+    package. Uses ``importlib.resources`` (available since Python 3.9).
+    """
+    return str(_resource_files(package).joinpath(resource))
+
+
 class Application(metaclass=Singleton):
     __version__ = '1.4.0'
     __author__ = 'Azat Aldeshov'