diff --git a/pyproject.toml b/pyproject.toml
index 8dd9793..9dea727 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -48,6 +48,15 @@ Repository = "https://git.supported.systems/MCP/mcbluetooth"
 [tool.hatch.build.targets.wheel]
 packages = ["src/mcbluetooth"]
 
+[tool.hatch.build.targets.sdist]
+exclude = [
+    "docs-site/node_modules",
+    "docs-site/.astro",
+    "docs-site/dist",
+    ".claude",
+    "CLAUDE.md",
+]
+
 [tool.ruff]
 line-length = 100
 target-version = "py311"