diff --git a/.gitignore b/.gitignore
index 60a9371..1286f5f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,6 +15,7 @@ __pycache__/
 *.so
 
 # Distribution / packaging
+_version.py
 .Python
 build/
 develop-eggs/
diff --git a/meteor/__init__.py b/meteor/__init__.py
index e69de29..62d6a78 100644
--- a/meteor/__init__.py
+++ b/meteor/__init__.py
@@ -0,0 +1,3 @@
+__all__ = ["__version__", "version"]
+
+from ._version import __version__, version
diff --git a/meteor/diffmaps.py b/meteor/diffmaps.py
index bfd3f85..bff8b2e 100644
--- a/meteor/diffmaps.py
+++ b/meteor/diffmaps.py
@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from typing import Sequence
+from collections.abc import Sequence
 
 import numpy as np
 import reciprocalspaceship as rs
diff --git a/meteor/iterative.py b/meteor/iterative.py
index 1168749..9077193 100644
--- a/meteor/iterative.py
+++ b/meteor/iterative.py
@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from typing import Callable
+from collections.abc import Callable
 
 import numpy as np
 import pandas as pd
diff --git a/meteor/rsmap.py b/meteor/rsmap.py
index aebd333..f1d1531 100644
--- a/meteor/rsmap.py
+++ b/meteor/rsmap.py
@@ -1,7 +1,8 @@
 from __future__ import annotations
 
+from collections.abc import Callable
 from pathlib import Path
-from typing import Any, Callable, ClassVar, Literal, overload
+from typing import Any, ClassVar, Literal, overload
 
 import gemmi
 import numpy as np
diff --git a/meteor/scale.py b/meteor/scale.py
index 6181df6..ca63ca2 100644
--- a/meteor/scale.py
+++ b/meteor/scale.py
@@ -1,7 +1,5 @@
 from __future__ import annotations
 
-from typing import Tuple
-
 import numpy as np
 import pandas as pd
 import reciprocalspaceship as rs
@@ -9,7 +7,7 @@
 
 from .rsmap import Map
 
-ScaleParameters = Tuple[float, float, float, float, float, float, float]
+ScaleParameters = tuple[float, float, float, float, float, float, float]
 """ 7x float tuple to hold anisotropic scaling parameters """
 
 
diff --git a/meteor/tv.py b/meteor/tv.py
index 6909a85..88bd861 100644
--- a/meteor/tv.py
+++ b/meteor/tv.py
@@ -1,9 +1,10 @@
 from __future__ import annotations
 
 import json
+from collections.abc import Sequence
 from dataclasses import asdict, dataclass
 from pathlib import Path
-from typing import Literal, Sequence, overload
+from typing import Literal, overload
 
 import numpy as np
 from skimage.restoration import denoise_tv_chambolle
diff --git a/meteor/validate.py b/meteor/validate.py
index 36a946e..8a2885e 100644
--- a/meteor/validate.py
+++ b/meteor/validate.py
@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from typing import Callable, Sequence
+from collections.abc import Callable, Sequence
 
 import numpy as np
 from scipy.optimize import minimize_scalar
diff --git a/pyproject.toml b/pyproject.toml
index 1ae7a35..c1b6005 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,11 +1,16 @@
+[build-system]
+requires = ["setuptools >= 61.0", "setuptools-scm"]
+build-backend = "setuptools.build_meta"
+
 [project]
 name = "meteor"
 description = "denoise crystallographic difference maps"
-version = "0.2.0"
+dynamic = ["version"]
 authors = [
     { name = "Alisia Fadini", email = "af840@cam.ac.uk" },
     { name = "Thomas Lane", email = "thomas.lane@desy.de" }
 ]
+requires-python = ">=3.11"
 dependencies = [
     "numpy >= 1.26",
     "scipy >= 1.14.0",
@@ -21,14 +26,13 @@ tests = [
     "pytest-cov",
 ]
 
-[build-system]
-requires = ["setuptools >= 61.0"]
-build-backend = "setuptools.build_meta"
-
 [project.scripts]
 "meteor.diffmap" = "meteor.scripts.compute_difference_map:main"
 "meteor.phaseboost" = "meteor.scripts.compute_iterative_tv_map:main"
 
+[tool.setuptools_scm]
+version_file = "meteor/_version.py"
+
 [tool.mypy]
 disallow_untyped_calls = true
 disallow_untyped_defs = true
diff --git a/test/unit/scripts/test_compute_iterative_tv_map.py b/test/unit/scripts/test_compute_iterative_tv_map.py
index 94f229e..ab5ae8d 100644
--- a/test/unit/scripts/test_compute_iterative_tv_map.py
+++ b/test/unit/scripts/test_compute_iterative_tv_map.py
@@ -1,8 +1,9 @@
 from __future__ import annotations
 
 import argparse
+from collections.abc import Sequence
 from pathlib import Path
-from typing import Any, Sequence
+from typing import Any
 from unittest import mock
 
 import numpy as np
diff --git a/test/unit/test_diffmaps.py b/test/unit/test_diffmaps.py
index 30163a3..c280f88 100644
--- a/test/unit/test_diffmaps.py
+++ b/test/unit/test_diffmaps.py
@@ -1,4 +1,4 @@
-from typing import Callable
+from collections.abc import Callable
 
 import numpy as np
 import pandas as pd
diff --git a/test/unit/test_io.py b/test/unit/test_io.py
index 1175248..5671e3a 100644
--- a/test/unit/test_io.py
+++ b/test/unit/test_io.py
@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from typing import Callable
+from collections.abc import Callable
 
 import pytest
 
diff --git a/test/unit/test_tv.py b/test/unit/test_tv.py
index 183ee25..ee455b2 100644
--- a/test/unit/test_tv.py
+++ b/test/unit/test_tv.py
@@ -1,8 +1,8 @@
 from __future__ import annotations
 
+from collections.abc import Sequence
 from dataclasses import asdict
 from pathlib import Path
-from typing import Sequence
 
 import numpy as np
 import pandas as pd