diff --git a/Makefile b/Makefile
index 899a80a..0cdf113 100644
--- a/Makefile
+++ b/Makefile
@@ -106,7 +106,7 @@ major:  ## bump a major version
 .PHONY: dist dist-build dist-sdist dist-local-wheel publish
 
 dist-build:  # build python dists
-	python -m build -w
+	python -m build -w -s
 
 dist-check:  ## run python dist checker with twine
 	python -m twine check dist/*
diff --git a/pyproject.toml b/pyproject.toml
index d3de83d..de67852 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -115,6 +115,25 @@ artifacts = [
 [tool.hatch.build.sources]
 src = "/"
 
+[tool.hatch.build.targets.sdist]
+packages = [
+    "verilator",
+    "hatch_plugin.py",
+    "src",
+]
+include = [
+    "LICENSE",
+    "README.md",
+]
+exclude = [
+    "/.github",
+    "/scripts",
+    "/src",
+    "/.gitmodules",
+    "/.gitignore",
+    "/pyproject.toml",
+]
+
 [tool.hatch.build.targets.wheel.hooks.custom]
 
 [tool.hatch.build.targets.wheel]