diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 72bf568c..23cb4fd8 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -4,4 +4,4 @@ commit = True
 message = [skip ci] Bump version: {current_version} → {new_version}
 tag = False
 
-[bumpversion:file:src/duct.py]
+[bumpversion:file:src/duct/__init__.py]
diff --git a/setup.cfg b/setup.cfg
index 2e68507d..07ae89c8 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -46,15 +46,18 @@ project_urls =
     Bug Tracker = https://github.com/con/duct/issues
 
 [options]
-py_modules = duct
+packages = find_namespace:
 package_dir =
     =src
 include_package_data = True
 python_requires = >= 3.8
 
+[options.packages.find]
+where = src
+
 [options.entry_points]
 console_scripts =
-    duct = duct:main
+    duct = duct.__main__:main
 
 [mypy]
 allow_incomplete_defs = False
diff --git a/src/duct/__init__.py b/src/duct/__init__.py
new file mode 100644
index 00000000..f102a9ca
--- /dev/null
+++ b/src/duct/__init__.py
@@ -0,0 +1 @@
+__version__ = "0.0.1"
diff --git a/src/duct.py b/src/duct/__main__.py
old mode 100755
new mode 100644
similarity index 99%
rename from src/duct.py
rename to src/duct/__main__.py
index 80c28d28..abd038d7
--- a/src/duct.py
+++ b/src/duct/__main__.py
@@ -14,8 +14,8 @@
 import threading
 import time
 from typing import IO, Any, TextIO
+from . import __version__
 
-__version__ = "0.0.1"
 ENV_PREFIXES = ("PBS_", "SLURM_", "OSG")
 
 
diff --git a/src/duct/py.typed b/src/duct/py.typed
new file mode 100644
index 00000000..e69de29b
diff --git a/test/test_execution.py b/test/test_execution.py
index 7b67d65d..60a3758e 100644
--- a/test/test_execution.py
+++ b/test/test_execution.py
@@ -4,7 +4,7 @@
 from unittest import mock
 import pytest
 from utils import assert_files
-from duct import Arguments, Outputs, RecordTypes, execute
+from duct.__main__ import Arguments, Outputs, RecordTypes, execute
 
 TEST_SCRIPT = str(Path(__file__).with_name("data") / "test_script.py")
 
diff --git a/test/test_helpers.py b/test/test_helpers.py
index 38a9c511..cd23487f 100644
--- a/test/test_helpers.py
+++ b/test/test_helpers.py
@@ -1,7 +1,7 @@
 from __future__ import annotations
 from unittest import mock
 import pytest
-from duct import ensure_directories
+from duct.__main__ import ensure_directories
 
 
 @pytest.mark.parametrize(
@@ -12,19 +12,19 @@
         "/abs/path/",
     ],
 )
-@mock.patch("duct.os.makedirs")
+@mock.patch("duct.__main__.os.makedirs")
 def test_ensure_directories_with_dirs(mock_mkdir: mock.MagicMock, path: str) -> None:
     ensure_directories(path)
     mock_mkdir.assert_called_once_with(path, exist_ok=True)
 
 
-@mock.patch("duct.os.makedirs")
+@mock.patch("duct.__main__.os.makedirs")
 def test_ensure_directories_with_file(mock_mkdir: mock.MagicMock) -> None:
     ensure_directories("just_a_file_name")
     mock_mkdir.assert_not_called()
 
 
-@mock.patch("duct.os.makedirs")
+@mock.patch("duct.__main__.os.makedirs")
 def test_ensure_directories_with_filepart_and_directory_part(
     mock_mkdir: mock.MagicMock,
 ) -> None:
diff --git a/test/test_prepare_outputs.py b/test/test_prepare_outputs.py
index 24fdbe8c..1a602fa8 100644
--- a/test/test_prepare_outputs.py
+++ b/test/test_prepare_outputs.py
@@ -2,13 +2,13 @@
 import subprocess
 from unittest.mock import MagicMock, call, patch
 from utils import MockStream
-from duct import Outputs, prepare_outputs
+from duct.__main__ import Outputs, prepare_outputs
 
 
 @patch("sys.stdout", new_callable=MockStream)
 def test_prepare_outputs_all_stdout(mock_stdout: MockStream) -> None:
     output_prefix = "test_outputs_"
-    with patch("duct.TailPipe") as mock_tee_stream, patch(
+    with patch("duct.__main__.TailPipe") as mock_tee_stream, patch(
         "builtins.open", new_callable=MagicMock
     ) as mock_open:
         mock_tee_stream.return_value.start = MagicMock()
@@ -23,7 +23,7 @@ def test_prepare_outputs_all_stdout(mock_stdout: MockStream) -> None:
 @patch("sys.stderr", new_callable=MockStream)
 def test_prepare_outputs_all_stderr(mock_stderr: MockStream) -> None:
     output_prefix = "test_outputs_"
-    with patch("duct.TailPipe") as mock_tee_stream, patch(
+    with patch("duct.__main__.TailPipe") as mock_tee_stream, patch(
         "builtins.open", new_callable=MagicMock
     ) as mock_open:
         mock_tee_stream.return_value.start = MagicMock()
@@ -68,7 +68,7 @@ def test_prepare_outputs_all_all(
     mock_stdout: MockStream, mock_stderr: MockStream
 ) -> None:
     output_prefix = "test_outputs_"
-    with patch("duct.TailPipe") as mock_tee_stream:
+    with patch("duct.__main__.TailPipe") as mock_tee_stream:
         mock_tee_stream.return_value.start = MagicMock()
         stdout, stderr = prepare_outputs(Outputs.ALL, Outputs.ALL, output_prefix)
         assert stdout == mock_tee_stream.return_value
diff --git a/test/test_report.py b/test/test_report.py
index 0846e9da..7f6e6df6 100644
--- a/test/test_report.py
+++ b/test/test_report.py
@@ -1,5 +1,5 @@
 from __future__ import annotations
-from duct import ProcessStats, Sample
+from duct.__main__ import ProcessStats, Sample
 
 stat0 = ProcessStats(
     pcpu=0.0, pmem=0, rss=0, vsz=0, timestamp="2024-06-11T10:09:37-04:00"
diff --git a/test/test_tailpipe.py b/test/test_tailpipe.py
index f2a29659..5ac7598b 100644
--- a/test/test_tailpipe.py
+++ b/test/test_tailpipe.py
@@ -5,7 +5,7 @@
 from unittest.mock import patch
 import pytest
 from utils import MockStream
-from duct import TailPipe
+from duct.__main__ import TailPipe
 
 # 10^7 line fixture is about 70MB
 FIXTURE_LIST = [f"ten_{i}" for i in range(1, 8)]