diff --git a/MANIFEST.in b/MANIFEST.in
index c160149a..c873ba37 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,6 +1,3 @@
-include requirements.txt
-include requirements_dev.txt
-include README.rst
-recursive-exclude tests *
-recursive-exclude tutorial *
-graft neurom/config
+include README.md
+prune tests
+prune tutorial
diff --git a/pyproject.toml b/pyproject.toml
index 69133aef..e997c78d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -60,6 +60,10 @@ neurom = 'neurom.apps.cli:cli'
 
 [tool.setuptools.packages.find]
 include = ["neurom"]
+namespaces = false
+
+[tool.setuptools.package-data]
+"*" = ["morph_check.yaml", "morph_stats.yaml"]
 
 [tool.setuptools_scm]
 local_scheme = "no-local-version"
diff --git a/tox.ini b/tox.ini
index e4e40293..829d8e1e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -9,6 +9,7 @@ envlist =
     docs
     coverage
     tutorial
+    check-packaging
     py{38,39,310,311,312}
 
 [testenv]
@@ -59,6 +60,15 @@ deps =
 commands =
     pytest --nbmake .
 
+[testenv:check-packaging]
+skip_install = true
+deps =
+    build
+    twine
+commands =
+    python -m build -o {envtmpdir}/dist
+    twine check {envtmpdir}/dist/*
+
 [pycodestyle]
 max-line-length=100
 
@@ -70,5 +80,5 @@ python =
   3.8: py38, lint
   3.9: py39, docs
   3.10: py310, tutorial
-  3.11: py311
+  3.11: py311, check-packaging
   3.12: py312