diff --git a/CHANGES.rst b/CHANGES.rst
index d74840d..85ec2e4 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -6,7 +6,10 @@ CHANGES
 6.1 (unreleased)
 ================
 
-- Nothing changed yet.
+- Fix installed module name
+  (`#7 <https://github.com/minddistrict/pytest-remove-stale-bytecode/issues/7>`_)
+- Replace deprecated ``pkg_resources`` with ``importlib.metdata``
+
 
 
 6.0 (2023-07-07)
diff --git a/plugin.py b/pytest_remove_stale_bytecode.py
similarity index 88%
rename from plugin.py
rename to pytest_remove_stale_bytecode.py
index 5c63b3c..1825625 100644
--- a/plugin.py
+++ b/pytest_remove_stale_bytecode.py
@@ -1,13 +1,12 @@
+import importlib.metadata
 import os
 import os.path
-import pkg_resources
 import sys
 
 
-__version__ = pkg_resources.get_distribution(
-    'pytest-remove-stale-bytecode').version
+__version__ = importlib.metadata.version('pytest-remove-stale-bytecode')
 python_version = '{0.major}{0.minor}'.format(sys.version_info)
-pytest_version = pkg_resources.get_distribution('pytest').version
+pytest_version = importlib.metadata.version('pytest')
 
 compiled_suffixes = '.pyc', '.pyo'
 
diff --git a/setup.py b/setup.py
index 5543355..8634cb3 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,6 @@ def project_path(*names):
 
     install_requires=[
         'pytest',
-        'setuptools',
     ],
 
     extras_require={
@@ -27,7 +26,7 @@ def project_path(*names):
 
     entry_points={
         'pytest11': [
-            'removestalebytecode = plugin',
+            'removestalebytecode = pytest_remove_stale_bytecode',
         ],
     },
 
@@ -64,5 +63,5 @@ def project_path(*names):
     )),
 
     zip_safe=False,
-    py_modules=['plugin'],
+    py_modules=['pytest_remove_stale_bytecode'],
 )
diff --git a/test_plugin.py b/test_plugin.py
index f07ee4e..569066d 100644
--- a/test_plugin.py
+++ b/test_plugin.py
@@ -1,5 +1,5 @@
-from plugin import pytest_version
-from plugin import python_version
+from pytest_remove_stale_bytecode import pytest_version
+from pytest_remove_stale_bytecode import python_version
 from unittest import mock
 import pytest
 
@@ -8,8 +8,8 @@
 
 
 def test_version():
-    import plugin
-    assert plugin.__version__
+    import pytest_remove_stale_bytecode
+    assert pytest_remove_stale_bytecode.__version__
 
 
 @pytest.mark.parametrize("ext", ['.pyc', '.pyo'])
@@ -116,6 +116,6 @@ def test_plugin_removes_python3_PYTEST_bytecode_files(testdir, ext):
 
 def test_plugin_does_not_break_if_file_is_removed_externally(testdir):
     bar = testdir.makefile('.pyc', bar='')
-    with mock.patch('plugin.delete_file', side_effect=FileNotFoundError):
+    with mock.patch('pytest_remove_stale_bytecode.delete_file', side_effect=FileNotFoundError):
         testdir.runpytest("-v")
     assert bar.exists()