diff --git a/CHANGELOG.md b/CHANGELOG.md
index c178923..7bef1b2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## [0.3] - 2025-12-26
+
+### Fixed
+- `ModuleNotFound` packaging error.
+
 ## [0.2] - 2025-12-26
 
 ### Changed
@@ -12,6 +17,7 @@
 - `calibration_error` function
 - `build_reliability_diagram` function
 
-[Unreleased]: https://github.com/yourusername/yourproject/compare/0.2...HEAD
+[Unreleased]: https://github.com/yourusername/yourproject/compare/0.3...HEAD
+[0.3]: https://github.com/yourusername/yourproject/compare/0.2...0.3
 [0.2]: https://github.com/yourusername/yourproject/compare/0.1...0.2
 [0.1]: https://github.com/yourusername/yourproject/releases/tag/0.1
diff --git a/docs/conf.py b/docs/conf.py
index 7c3760c..46fd5ee 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -38,7 +38,7 @@
 ## autodoc
 autodoc_default_options = {
     "members": True,
-    "inherited-members": False,
+    "inherited-members": True,
     "private-members": False,
     "show-inheritance": True,
     "special-members": False,
diff --git a/pyproject.toml b/pyproject.toml
index 5144e57..eb15340 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "khalib"
-version = "0.2"
+version = "0.3"
 description = "Classifier Calibration with Khiops"
 authors = [{ name = "Felipe Olmos", email = "luisfelipe.olmosmarchant@orange.com" }]
 requires-python = ">=3.11"
@@ -43,6 +43,7 @@ changelog = "https://github.com/KhiopsLab/khalib/blob/main/CHANGELOG.md"
 
 [tool.setuptools.packages.find]
 where = ["src"]
+include = ["khalib"]
 
 [tool.pytest.ini_options]
 markers = [
diff --git a/src/khalib/__init__.py b/src/khalib/__init__.py
new file mode 100644
index 0000000..b7ef762
--- /dev/null
+++ b/src/khalib/__init__.py
@@ -0,0 +1,15 @@
+from .main import (
+    Histogram,
+    KhalibClassifier,
+    build_reliability_diagram,
+    calibrate_binary,
+    calibration_error,
+)
+
+__all__ = [
+    "Histogram",
+    "KhalibClassifier",
+    "build_reliability_diagram",
+    "calibrate_binary",
+    "calibration_error",
+]
diff --git a/src/khalib.py b/src/khalib/main.py
similarity index 100%
rename from src/khalib.py
rename to src/khalib/main.py