diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a757c7a..1a70027 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -54,6 +54,7 @@ jobs:
           PYPI_PASSWORD: ${{ secrets.pypi_password }}
         run: |
           pip install cibuildwheel twine --upgrade;
+          python -m build --sdist
           python -m cibuildwheel --output-dir dist;
           python -m twine upload dist/* -u tommyod -p "$PYPI_PASSWORD" --skip-existing;
           
diff --git a/pyproject.toml b/pyproject.toml
index 5e285df..cc5ae81 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,18 +1,35 @@
 [project]
 name = "KDEpy"
-version = "1.1.2"
-
+version = "1.1.3"
 dependencies = [
     "numpy>=1.14.2",
     "scipy>=1.0.1",
     "matplotlib>=2.2.2",
 ]
+description = "Kernel Density Estimation in Python."
+readme = {file = "README.md", content-type = "text/markdown"}
+authors = [
+  {name = "tommyod", email = "tommy.odland@gmail.com"},
+]
+license = {file = "LICENSE"}
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "License :: OSI Approved :: BSD License",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+]
+
+[project.urls]
+Repository = "https://github.com/tommyod/KDEpy"
 
 [project.optional-dependencies]
 dev = [
     "numpydoc>=0.7.0",
     "nbsphinx>=0.3.2",
     "ipython>=6.4.0",
+    "build>=0.10.0"
 ]
 test = [
     "pytest>=3.6.2"
diff --git a/setup.py b/setup.py
index 86dd30b..e53c896 100644
--- a/setup.py
+++ b/setup.py
@@ -21,24 +21,6 @@ def read(fname):
 
 
 setup(
-    # name="KDEpy",
-    # version=VERSION,
-    description="Kernel Density Estimation in Python.",
-    long_description=read("README.md"),
-    long_description_content_type="text/markdown",
-    url="https://github.com/tommyod/KDEpy",
-    author="tommyod",
-    author_email="tommy.odland@gmail.com",
-    license="new BSD",
-    # See https://pypi.python.org/pypi?%3Aaction=list_classifiers
-    classifiers=[
-        "Development Status :: 5 - Production/Stable",
-        "License :: OSI Approved :: BSD License",
-        "Programming Language :: Python :: 3.8",
-        "Programming Language :: Python :: 3.9",
-        "Programming Language :: Python :: 3.10",
-        "Programming Language :: Python :: 3.11",
-    ],
     packages=["KDEpy"],
     cmdclass={"build_ext": build_ext},
     include_dirs=[np.get_include()],