diff --git a/pyproject.toml b/pyproject.toml
index 3cb5e3cba..b8bf841b9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -94,6 +94,7 @@ examples = [
 ]
 ddl = [
 	"hatyan",
+	"rws-ddlpy",
 ]
 
 [tool.setuptools]