diff --git a/idf_build_apps/args.py b/idf_build_apps/args.py
index ffa7ce7..e6bc776 100644
--- a/idf_build_apps/args.py
+++ b/idf_build_apps/args.py
@@ -16,7 +16,6 @@
 import os
 import re
 import typing as t
-import warnings
 from copy import deepcopy
 from dataclasses import InitVar, asdict, dataclass, field, fields
 
@@ -141,8 +140,10 @@ def __setattr__(self, key, value):
             # set together with the deprecated field
             super().__setattr__(_new_name_deprecated_name_dict[key], value)
         elif key in _deprecated_name_new_name_dict:
-            warnings.warn(
-                f'Field {key} is deprecated by {_deprecated_name_new_name_dict[key]}. Will be removed in the future.'
+            LOGGER.warning(
+                'Field %s is deprecated by %s. Will be removed in the future.',
+                key,
+                _deprecated_name_new_name_dict[key],
             )
             super().__setattr__(key, value)
             # set together with the new field
diff --git a/idf_build_apps/manifest/manifest.py b/idf_build_apps/manifest/manifest.py
index 39eb186..1531d0e 100644
--- a/idf_build_apps/manifest/manifest.py
+++ b/idf_build_apps/manifest/manifest.py
@@ -4,7 +4,6 @@
 import os
 import pickle
 import typing as t
-import warnings
 from hashlib import sha512
 
 from pyparsing import (
@@ -257,7 +256,7 @@ def from_files(cls, paths: t.Iterable[str], *, root_path: str = os.curdir) -> 'M
                     if cls.CHECK_MANIFEST_RULES:
                         raise InvalidManifest(msg)
                     else:
-                        warnings.warn(msg)
+                        LOGGER.warning(msg)
 
                 _known_folders[rule.folder] = path
 
@@ -290,7 +289,7 @@ def from_file(cls, path: str, *, root_path: str = os.curdir) -> 'Manifest':
                 if cls.CHECK_MANIFEST_RULES:
                     raise InvalidManifest(msg)
                 else:
-                    warnings.warn(msg)
+                    LOGGER.warning(msg)
 
             try:
                 rules.append(FolderRule(folder, **folder_rule if folder_rule else {}))