diff --git a/README.md b/README.md
index d05b44b..97d97db 100644
--- a/README.md
+++ b/README.md
@@ -73,3 +73,4 @@ pip install pre-commit
 pre-commit run --all-files
 pytest -v ./tests
 ```
+Python wheel can be built with the usual command `python -m build`.
diff --git a/jax_scaled_arithmetics/__init__.py b/jax_scaled_arithmetics/__init__.py
index bbc5164..74eea10 100644
--- a/jax_scaled_arithmetics/__init__.py
+++ b/jax_scaled_arithmetics/__init__.py
@@ -1,5 +1,5 @@
 # Copyright (c) 2023 Graphcore Ltd. All rights reserved.
-from . import lax, ops
+from . import core, lax, ops
 from ._version import __version__
 from .core import (  # noqa: F401
     AutoScaleConfig,
diff --git a/pyproject.toml b/pyproject.toml
index 9b171d6..b093c06 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ version = "0.1"
 description="JAX Scaled Arithmetics."
 readme = "README.md"
 authors = [
-  { name = "Graphcore Research", email = "contact@graphcore.ai" },
+  { name = "Graphcore Research", email = "paulb@graphcore.ai" },
 ]
 requires-python = ">=3.8"
 classifiers = [
@@ -31,7 +31,7 @@ Website = "https://github.com/graphcore-research/jax-scaled-arithmetics/#readme"
 test = ["pytest"]
 
 [tool.setuptools]
-packages = ["jax_scaled_arithmetics"]
+packages = ["jax_scaled_arithmetics", "jax_scaled_arithmetics.core", "jax_scaled_arithmetics.lax", "jax_scaled_arithmetics.ops"]
 
 [tool.pytest.ini_options]
 minversion = "6.0"