diff --git a/.github/workflows/python-build-test.yml b/.github/workflows/python-build-test.yml
index dd97cba..483cce1 100644
--- a/.github/workflows/python-build-test.yml
+++ b/.github/workflows/python-build-test.yml
@@ -38,3 +38,7 @@ jobs:
       - name: Test
         run: |
           pytest -v python/tests
+
+      - name: PyPI
+        run: |
+          pip uninstall -y sp-graph-layout && pip install sp-graph-layout
diff --git a/.github/workflows/wasm-build-test.yml b/.github/workflows/wasm-build-test.yml
index 01cab0d..f6ddcad 100644
--- a/.github/workflows/wasm-build-test.yml
+++ b/.github/workflows/wasm-build-test.yml
@@ -44,3 +44,7 @@ jobs:
         run: |
           cd wasm
           npm test
+
+      - name: NPM
+        run: |
+          npm i sp-graph-layout
diff --git a/pyproject.toml b/pyproject.toml
index abf5114..cd34fbd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "scikit_build_core.build"
 
 [project]
 name = "sp-graph-layout"
-version = "1.4.0"
+version = "1.4.1"
 description = "A library for visualizing directed graphs."
 requires-python = ">=3.8"
 readme = "python/README.md"
@@ -31,12 +31,20 @@ GRAPH_LAYOUT_BIND_PYTHON = "ON"
 
 [tool.scikit-build.sdist]
 exclude = [
-    ".github",
-    ".gitignore",
+    ".*",
+    "build*",
+    "cmake-build*",
+    "dist",
     "demo",
     "docs",
     "tests",
     "wasm",
+    "web",
+    "*.md",
+    "python/tests",
+]
+include = [
+    "python/README.md",
 ]
 
 [project.optional-dependencies]