diff --git a/pyproject.toml b/pyproject.toml
index 16d5f46..5136cc4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -45,6 +45,9 @@ dev = [
 [project.scripts]
 sqlextract = "src.cli:main"
 
+[tool.setuptools.packages.find]
+include = ["src*"]
+
 [tool.black]
 line-length = 100
 target-version = ['py39', 'py310', 'py311', 'py312']