diff --git a/papermill/engines.py b/papermill/engines.py
index c44d548d..89f93650 100644
--- a/papermill/engines.py
+++ b/papermill/engines.py
@@ -3,9 +3,9 @@
 import datetime
 import sys
 from functools import wraps
+from importlib.metadata import entry_points
 
 import dateutil
-import entrypoints
 
 from .clientwrap import PapermillNotebookClient
 from .exceptions import PapermillException
@@ -34,7 +34,7 @@ def register_entry_points(self):
 
         Load handlers provided by other packages
         """
-        for entrypoint in entrypoints.get_group_all("papermill.engine"):
+        for entrypoint in entry_points().select(group="papermill.engine"):
             self.register(entrypoint.name, entrypoint.load())
 
     def get_engine(self, name=None):
diff --git a/papermill/iorw.py b/papermill/iorw.py
index 14a0122c..50f0f3c8 100644
--- a/papermill/iorw.py
+++ b/papermill/iorw.py
@@ -4,8 +4,8 @@
 import sys
 import warnings
 from contextlib import contextmanager
+from importlib.metadata import entry_points
 
-import entrypoints
 import nbformat
 import requests
 import yaml
@@ -116,7 +116,7 @@ def register(self, scheme, handler):
 
     def register_entry_points(self):
         # Load handlers provided by other packages
-        for entrypoint in entrypoints.get_group_all("papermill.io"):
+        for entrypoint in entry_points().select(group="papermill.io"):
             self.register(entrypoint.name, entrypoint.load())
 
     def get_handler(self, path, extensions=None):
diff --git a/papermill/tests/test_abs.py b/papermill/tests/test_abs.py
index 57dff73f..cdbd0358 100644
--- a/papermill/tests/test_abs.py
+++ b/papermill/tests/test_abs.py
@@ -4,7 +4,7 @@
 
 from azure.identity import EnvironmentCredential
 
-from ..abs import AzureBlobStore
+from papermill.abs import AzureBlobStore
 
 
 class MockBytesIO:
diff --git a/papermill/tests/test_adl.py b/papermill/tests/test_adl.py
index 3aa98544..1c27f978 100644
--- a/papermill/tests/test_adl.py
+++ b/papermill/tests/test_adl.py
@@ -1,9 +1,9 @@
 import unittest
 from unittest.mock import MagicMock, Mock, patch
 
-from ..adl import ADL
-from ..adl import core as adl_core
-from ..adl import lib as adl_lib
+from papermill.adl import ADL
+from papermill.adl import core as adl_core
+from papermill.adl import lib as adl_lib
 
 
 class ADLTest(unittest.TestCase):
diff --git a/papermill/tests/test_autosave.py b/papermill/tests/test_autosave.py
index 74ae06e8..dd3f80ae 100644
--- a/papermill/tests/test_autosave.py
+++ b/papermill/tests/test_autosave.py
@@ -6,9 +6,10 @@
 
 import nbformat
 
-from .. import engines
-from ..engines import NotebookExecutionManager
-from ..execute import execute_notebook
+from papermill import engines
+from papermill.engines import NotebookExecutionManager
+from papermill.execute import execute_notebook
+
 from . import get_notebook_path
 
 
diff --git a/papermill/tests/test_cli.py b/papermill/tests/test_cli.py
index 72ef5f9a..c25161a5 100755
--- a/papermill/tests/test_cli.py
+++ b/papermill/tests/test_cli.py
@@ -15,8 +15,9 @@
 import pytest
 from click.testing import CliRunner
 
-from .. import cli
-from ..cli import _is_float, _is_int, _resolve_type, papermill
+from papermill import cli
+from papermill.cli import _is_float, _is_int, _resolve_type, papermill
+
 from . import get_notebook_path, kernel_name
 
 
diff --git a/papermill/tests/test_clientwrap.py b/papermill/tests/test_clientwrap.py
index cfa2a81a..4409f2bd 100644
--- a/papermill/tests/test_clientwrap.py
+++ b/papermill/tests/test_clientwrap.py
@@ -3,9 +3,10 @@
 
 import nbformat
 
-from ..clientwrap import PapermillNotebookClient
-from ..engines import NotebookExecutionManager
-from ..log import logger
+from papermill.clientwrap import PapermillNotebookClient
+from papermill.engines import NotebookExecutionManager
+from papermill.log import logger
+
 from . import get_notebook_path
 
 
diff --git a/papermill/tests/test_engines.py b/papermill/tests/test_engines.py
index db5ee17c..d6111b1b 100644
--- a/papermill/tests/test_engines.py
+++ b/papermill/tests/test_engines.py
@@ -6,10 +6,11 @@
 import dateutil
 from nbformat.notebooknode import NotebookNode
 
-from .. import engines, exceptions
-from ..engines import Engine, NBClientEngine, NotebookExecutionManager
-from ..iorw import load_notebook_node
-from ..log import logger
+from papermill import engines, exceptions
+from papermill.engines import Engine, NBClientEngine, NotebookExecutionManager
+from papermill.iorw import load_notebook_node
+from papermill.log import logger
+
 from . import get_notebook_path
 
 
@@ -489,10 +490,14 @@ def test_getting(self):
         self.assertRaises(exceptions.PapermillException, self.papermill_engines.get_engine, "non-existent")
 
     def test_registering_entry_points(self):
-        fake_entrypoint = Mock(load=Mock())
+        fake_entrypoint = Mock()
         fake_entrypoint.name = "fake-engine"
+        fake_entrypoint.load.return_value = Mock()
+
+        mock_entry_points = Mock()
+        mock_entry_points.select.return_value = [fake_entrypoint]
 
-        with patch("entrypoints.get_group_all", return_value=[fake_entrypoint]) as mock_get_group_all:
+        with patch("papermill.engines.entry_points", return_value=mock_entry_points):
             self.papermill_engines.register_entry_points()
-            mock_get_group_all.assert_called_once_with("papermill.engine")
+            mock_entry_points.select.assert_called_once_with(group="papermill.engine")
             self.assertEqual(self.papermill_engines.get_engine("fake-engine"), fake_entrypoint.load.return_value)
diff --git a/papermill/tests/test_exceptions.py b/papermill/tests/test_exceptions.py
index 0a7e7a8d..6aaa72a9 100644
--- a/papermill/tests/test_exceptions.py
+++ b/papermill/tests/test_exceptions.py
@@ -4,7 +4,7 @@
 
 import pytest
 
-from .. import exceptions
+from papermill import exceptions
 
 
 @pytest.fixture
diff --git a/papermill/tests/test_execute.py b/papermill/tests/test_execute.py
index 09600d64..d0584e11 100644
--- a/papermill/tests/test_execute.py
+++ b/papermill/tests/test_execute.py
@@ -10,12 +10,13 @@
 import nbformat
 from nbformat import validate
 
-from .. import engines, translators
-from ..exceptions import PapermillExecutionError, strip_color
-from ..execute import execute_notebook
-from ..iorw import load_notebook_node
-from ..log import logger
-from ..utils import chdir
+from papermill import engines, translators
+from papermill.exceptions import PapermillExecutionError, strip_color
+from papermill.execute import execute_notebook
+from papermill.iorw import load_notebook_node
+from papermill.log import logger
+from papermill.utils import chdir
+
 from . import get_notebook_path, kernel_name
 
 execute_notebook = partial(execute_notebook, kernel_name=kernel_name)
diff --git a/papermill/tests/test_gcs.py b/papermill/tests/test_gcs.py
index ebd635a0..081f05d2 100644
--- a/papermill/tests/test_gcs.py
+++ b/papermill/tests/test_gcs.py
@@ -1,8 +1,8 @@
 import unittest
 from unittest.mock import patch
 
-from ..exceptions import PapermillRateLimitException
-from ..iorw import GCSHandler, fallback_gs_is_retriable
+from papermill.exceptions import PapermillRateLimitException
+from papermill.iorw import GCSHandler, fallback_gs_is_retriable
 
 try:
     try:
diff --git a/papermill/tests/test_hdfs.py b/papermill/tests/test_hdfs.py
index 44c024df..1e5da20c 100644
--- a/papermill/tests/test_hdfs.py
+++ b/papermill/tests/test_hdfs.py
@@ -1,7 +1,7 @@
 import unittest
 from unittest.mock import MagicMock, patch
 
-from ..iorw import HDFSHandler
+from papermill.iorw import HDFSHandler
 
 
 class MockHadoopFileSystem(MagicMock):
diff --git a/papermill/tests/test_iorw.py b/papermill/tests/test_iorw.py
index ab09f01a..555cb00a 100644
--- a/papermill/tests/test_iorw.py
+++ b/papermill/tests/test_iorw.py
@@ -10,9 +10,9 @@
 import pytest
 from requests.exceptions import ConnectionError
 
-from .. import iorw
-from ..exceptions import PapermillException
-from ..iorw import (
+from papermill import iorw
+from papermill.exceptions import PapermillException
+from papermill.iorw import (
     ADLHandler,
     HttpHandler,
     LocalHandler,
@@ -24,6 +24,7 @@
     papermill_io,
     read_yaml_file,
 )
+
 from . import get_notebook_path
 
 FIXTURE_PATH = os.path.join(os.path.dirname(__file__), 'fixtures')
@@ -101,12 +102,16 @@ def test_get_notebook_node_handler(self):
         self.assertIsInstance(self.papermill_io.get_handler(test_nb), NotebookNodeHandler)
 
     def test_entrypoint_register(self):
-        fake_entrypoint = Mock(load=Mock())
+        fake_entrypoint = Mock()
         fake_entrypoint.name = "fake-from-entry-point://"
+        fake_entrypoint.load.return_value = Mock()
+
+        mock_entry_points = Mock()
+        mock_entry_points.select.return_value = [fake_entrypoint]
 
-        with patch("entrypoints.get_group_all", return_value=[fake_entrypoint]) as mock_get_group_all:
+        with patch("papermill.iorw.entry_points", return_value=mock_entry_points):
             self.papermill_io.register_entry_points()
-            mock_get_group_all.assert_called_once_with("papermill.io")
+            mock_entry_points.select.assert_called_once_with(group="papermill.io")
             fake_ = self.papermill_io.get_handler("fake-from-entry-point://")
             assert fake_ == fake_entrypoint.load.return_value
 
@@ -206,6 +211,7 @@ def test_write_local_directory(self):
         with patch.object(io, 'open'):
             # Shouldn't raise with missing directory
             LocalHandler().write("buffer", "local.ipynb")
+            os.unlink("local.ipynb")
 
     def test_write_passed_cwd(self):
         with TemporaryDirectory() as temp_dir:
diff --git a/papermill/tests/test_parameterize.py b/papermill/tests/test_parameterize.py
index 431caa12..e1235600 100644
--- a/papermill/tests/test_parameterize.py
+++ b/papermill/tests/test_parameterize.py
@@ -1,9 +1,10 @@
 import unittest
 from datetime import datetime
 
-from ..exceptions import PapermillMissingParameterException
-from ..iorw import load_notebook_node
-from ..parameterize import add_builtin_parameters, parameterize_notebook, parameterize_path
+from papermill.exceptions import PapermillMissingParameterException
+from papermill.iorw import load_notebook_node
+from papermill.parameterize import add_builtin_parameters, parameterize_notebook, parameterize_path
+
 from . import get_notebook_path
 
 
diff --git a/papermill/tests/test_s3.py b/papermill/tests/test_s3.py
index bf006830..34060765 100644
--- a/papermill/tests/test_s3.py
+++ b/papermill/tests/test_s3.py
@@ -7,7 +7,7 @@
 import pytest
 from moto import mock_aws
 
-from ..s3 import S3, Bucket, Key, Prefix
+from papermill.s3 import S3, Bucket, Key, Prefix
 
 
 @pytest.fixture
@@ -168,7 +168,7 @@ def s3_client():
     mock_aws.start()
 
     client = boto3.client('s3')
-    client.create_bucket(Bucket=test_bucket_name, CreateBucketConfiguration={'LocationConstraint': 'us-west-2'})
+    client.create_bucket(Bucket=test_bucket_name, CreateBucketConfiguration={'LocationConstraint': 'eu-central-1'})
     client.put_object(Bucket=test_bucket_name, Key=test_file_path, Body=test_nb_content)
     client.put_object(Bucket=test_bucket_name, Key=test_empty_file_path, Body='')
     yield S3()
diff --git a/papermill/tests/test_translators.py b/papermill/tests/test_translators.py
index 0edc1f07..95651bf1 100644
--- a/papermill/tests/test_translators.py
+++ b/papermill/tests/test_translators.py
@@ -4,9 +4,9 @@
 import pytest
 from nbformat.v4 import new_code_cell
 
-from .. import translators
-from ..exceptions import PapermillException
-from ..models import Parameter
+from papermill import translators
+from papermill.exceptions import PapermillException
+from papermill.models import Parameter
 
 
 @pytest.mark.parametrize(
diff --git a/papermill/tests/test_utils.py b/papermill/tests/test_utils.py
index 4228b436..a6ef8a54 100644
--- a/papermill/tests/test_utils.py
+++ b/papermill/tests/test_utils.py
@@ -6,8 +6,8 @@
 import pytest
 from nbformat.v4 import new_code_cell, new_notebook
 
-from ..exceptions import PapermillParameterOverwriteWarning
-from ..utils import (
+from papermill.exceptions import PapermillParameterOverwriteWarning
+from papermill.utils import (
     any_tagged_cell,
     chdir,
     merge_kwargs,
diff --git a/pyproject.toml b/pyproject.toml
index 99336a0a..91d54c4f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -197,6 +197,7 @@ quiet-level = 3
 ignore-words-list = "dne, compiletime"
 
 [tool.pytest.ini_options]
+testpaths = [ "papermill/tests" ]
 env = [
   "AWS_SECRET_ACCESS_KEY=foobar_secret",
   "AWS_ACCESS_KEY_ID=foobar_key",
diff --git a/requirements.txt b/requirements.txt
index 6f8ebb8a..3bee7442 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,6 +4,5 @@ nbformat >= 5.2.0
 nbclient >= 0.2.0
 tqdm >= 4.32.2
 requests
-entrypoints
 tenacity >= 5.0.2
 aiohttp >=3.9.0; python_version=="3.12"