diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 382f741..9b72edf 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -18,9 +18,11 @@ jobs:
         python-version: 3.9
 
     - name: Build and Upload
+      env:
+          PYPI_TOKEN: ${{ secrets.PYPI_TOKEN }}  
       run: |
         python -m venv venv
         source venv/bin/activate
         pip install --upgrade pip twine wheel
         python setup.py sdist bdist_wheel
-        twine upload dist/* --verbose --username __token__ --password ${{ secrets.PYPI_TOKEN }}
+        twine upload dist/* --username __token__ --password "$PYPI_TOKEN"
diff --git a/CHANGELOG.md b/CHANGELOG.md
index b97a330..a757cdb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## [0.15.1] - 2025-10-28
+
+- [Fixed] Replaced deprecated `pkg_resources` with `importlib.metadata` to prevent warnings in Python 3.12+ (https://github.com/omise/omise-python/pull/77)
+
 ## [0.15.0] - 2025-02-06
 
 * [Added] Add date filtering for charge list (https://github.com/omise/omise-python/pull/75)
diff --git a/omise/test/test_version.py b/omise/test/test_version.py
new file mode 100644
index 0000000..eedc72a
--- /dev/null
+++ b/omise/test/test_version.py
@@ -0,0 +1,13 @@
+import unittest
+from unittest import mock
+
+class VersionTest(unittest.TestCase):
+    @mock.patch("importlib.metadata.version", side_effect=__import__("importlib").metadata.PackageNotFoundError)
+    def test_version_package_not_found(self, mock_version):
+        """Ensure that PackageNotFoundError sets version to 'unknown'."""
+        from importlib import reload
+        import omise.version as omise_version
+
+        # Reload module so the import runs again and triggers our mock
+        reload(omise_version)
+        self.assertEqual(omise_version.__VERSION__, "unknown")
diff --git a/omise/version.py b/omise/version.py
index 3c3e483..d194722 100644
--- a/omise/version.py
+++ b/omise/version.py
@@ -1,2 +1,5 @@
-import pkg_resources
-__VERSION__ = pkg_resources.require('omise')[0].version
+from importlib.metadata import version, PackageNotFoundError
+try:
+    __VERSION__ = version("omise")
+except PackageNotFoundError:
+    __VERSION__ = "unknown"
\ No newline at end of file
diff --git a/setup.py b/setup.py
index c018daf..1323fd7 100644
--- a/setup.py
+++ b/setup.py
@@ -18,7 +18,7 @@
 setup(name='omise',
       long_description=long_description,
       long_description_content_type='text/markdown',
-      version='0.15.0',
+      version='0.15.1',
       description='Omise Python client',
       author='Omise',
       author_email='support@omise.co',