diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 4ceafb7..c3d9d99 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -35,6 +35,7 @@ jobs:
 
       - name: Run rename test
         run: scripts/rename
+
   # https://github.com/marketplace/actions/alls-green#why used for branch protection checks
   check:
     if: always()
diff --git a/pyproject.toml b/pyproject.toml
index ea348fc..12e4922 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -113,3 +113,12 @@ exclude_lines = [
     "if self\\.debug:",
     "except ImportError:",
 ]
+
+[tool.check-sdist]
+git-only = [
+  "docs",
+  "fuzz",
+  "scripts",
+  "mkdocs.yml",
+  "uv.lock"
+]
diff --git a/scripts/check b/scripts/check
index 141f2a9..13ce9ed 100755
--- a/scripts/check
+++ b/scripts/check
@@ -7,3 +7,4 @@ SOURCE_FILES="python_multipart multipart tests"
 uvx ruff format --check --diff $SOURCE_FILES
 uvx ruff check $SOURCE_FILES
 uvx --with types-PyYAML mypy $SOURCE_FILES
+uvx check-sdist