diff --git a/features/steps/pyproject.toml b/features/steps/pyproject.toml
index 3f0e973..3e085c4 100644
--- a/features/steps/pyproject.toml
+++ b/features/steps/pyproject.toml
@@ -6,4 +6,8 @@ readme = "README.md"
 requires-python = ">=3.12"
 dependencies = [
     "behave>=1.2.6",
+    "ddd-sample",
 ]
+
+[tool.uv.sources]
+ddd-sample = { workspace = true }
diff --git a/uv.lock b/uv.lock
index f78ba3b..6e9c299 100644
--- a/uv.lock
+++ b/uv.lock
@@ -98,7 +98,11 @@ version = "0.1.0"
 source = { virtual = "features/steps" }
 dependencies = [
     { name = "behave" },
+    { name = "ddd-sample" },
 ]
 
 [package.metadata]
-requires-dist = [{ name = "behave", specifier = ">=1.2.6" }]
+requires-dist = [
+    { name = "behave", specifier = ">=1.2.6" },
+    { name = "ddd-sample", editable = "." },
+]