diff --git a/CHANGELOG.md b/CHANGELOG.md
index 140d4d1..904308a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ---
 
+## [0.4.7] - 2026-07-28
+
+### Fixed
+
+#### Package installation discovery, expose previously unexposed subpackage
+
+---
+
 ## [0.4.6] - 2026-07-22
 
 ### Added 
diff --git a/pyproject.toml b/pyproject.toml
index fcc0af0..56bd4fe 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,12 +1,12 @@
 # pyproject.toml
 
 [build-system]
-requires = ["setuptools>=64", "wheel"]
+requires = ["setuptools>=77"]
 build-backend = "setuptools.build_meta"
 
 [project]
 name = "virtual_stain_flow"
-version = "0.4.5"
+version = "0.4.7"
 description = "For developing virtual staining models"
 requires-python = ">=3.9"
 dependencies = [
@@ -44,4 +44,8 @@ dev = [
 
 [tool.setuptools]
 package-dir = {"" = "src"}
-packages = ["virtual_stain_flow"]
+
+[tool.setuptools.packages.find]
+where = ["src"]
+include = ["virtual_stain_flow*"]
+namespaces = false
diff --git a/src/virtual_stain_flow/datasets/ds_engine/__init__.py b/src/virtual_stain_flow/datasets/ds_engine/__init__.py
new file mode 100644
index 0000000..e69de29