diff --git a/pyproject.toml b/pyproject.toml
index 5a6b2e6..3514e40 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -102,29 +102,13 @@ include = ['deepecho', 'deepecho.*']
 namespaces = false
 
 [tool.setuptools.package-data]
-"*" = [
-    'AUTHORS.rst',
-    'CONTRIBUTING.rst',
-    'HISTORY.md',
-    'LICENSE',
-    'README.md',
-    '*.md',
-    '*.rst',
-    'conf.py',
-    'Makefile',
-    'make.bat',
-    '*.jpg',
-    '*.png',
-    '*.gif',
-    '*.csv',
-]
+"" = ["AUTHORS.rst", "CONTRIBUTING.rst", "HISTORY.md", "README.md", "*.md", "*.rst", "conf.py", "Makefile", "make.bat", "*.jpg", "*.png", "*.gif"]
+"deepecho" = ["data/demo.csv"]
 "tests" = ["*"]
 
 [tool.setuptools.exclude-package-data]
-"*" = [
-    '* __pycache__',
-    '*.py[co]',
-]
+"" = ["*.pyc", "*.pyo", "__pycache__"]
+
 
 [tool.setuptools.dynamic]
 version = {attr = 'deepecho.__version__'}