diff --git a/pyproject.toml b/pyproject.toml
index 447637e..bb435d9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -18,6 +18,9 @@ dev = [
     "pytest-asyncio>=0.24.0",
 ]
 
+[tool.hatch.build.targets.wheel]
+packages = ["api", "mcp_server"]
+
 [build-system]
 requires = ["hatchling"]
 build-backend = "hatchling.build"