diff --git a/pyproject.toml b/pyproject.toml
index dcff91a..1dd3a45 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,9 +1,13 @@
 [build-system]
-requires = ["setuptools >= 66", "wheel"]
+requires = ["setuptools >= 68", "wheel"]
 build-backend = "setuptools.build_meta"
 
-[tool.setuptools]
-packages = ["riid"]
+[tool.setuptools.packages.find]
+include = ["riid*"]
+namespaces = false
+
+[tool.setuptools.package-data]
+"riid" = ["*.json"]
 
 [project]
 name = "riid"