diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index b11e435..e915bc6 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -16,12 +16,10 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install setuptools wheel twine
+        pip install hatch
     - name: Build and publish
       env:
-        TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
-        TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
+        PYPI_API_TOKEN: ${{ secrets.PYPI_API_TOKEN }}
       run: |
-        python setup.py sdist bdist_wheel
-        twine upload dist/*
-  
+        hatch build
+        hatch publish --user __token__ --auth $PYPI_API_TOKEN
\ No newline at end of file
diff --git a/astetik/__init__.py b/astetik/__init__.py
index f36697d..0d18934 100755
--- a/astetik/__init__.py
+++ b/astetik/__init__.py
@@ -51,3 +51,5 @@
     del utils
 except:
     pass
+
+__VERSION__ = '1.16'
diff --git a/astetik/plots/kde.py b/astetik/plots/kde.py
index 03b1d0e..292b864 100644
--- a/astetik/plots/kde.py
+++ b/astetik/plots/kde.py
@@ -116,7 +116,7 @@ def kde(data,
                                   params()['fig_height']))
 
     p = sns.kdeplot(data=data[x],
-                    data2=data2,
+                    y=data2,
                     shade=True,
                     cut=5,
                     shade_lowest=False,
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..a6ebb60
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,52 @@
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[project]
+name = "astetik"
+dynamic = ["version"]
+description = "Astetik data visualization and reporting library"
+readme = "README.md"
+license = "MIT"
+authors = [
+    { name = "Mikko Kotila", email = "mailme@mikkokotila.com" },
+]
+maintainers = [
+    { name = "Mikko Kotila", email = "mailme@mikkokotila.com" },
+]
+classifiers = [
+    "Intended Audience :: Science/Research",
+    "License :: OSI Approved :: MIT License",
+    "Operating System :: MacOS",
+    "Operating System :: POSIX",
+    "Operating System :: Unix",
+    "Programming Language :: Python :: 2.7",
+    "Programming Language :: Python :: 3.4",
+    "Programming Language :: Python :: 3.5",
+    "Programming Language :: Python :: 3.6",
+    "Topic :: Multimedia :: Graphics",
+    "Topic :: Scientific/Engineering :: Visualization",
+]
+dependencies = [
+    "geonamescache",
+    "IPython",
+    "numpy",
+    "pandas",
+    "patsy",
+    "scikit-learn",
+    "seaborn",
+    "statsmodels",
+    "wrangle",
+]
+
+[project.urls]
+Download = "https://github.com/mikkokotila/pretty"
+Homepage = "http://mikkokotila.com"
+
+[tool.hatch.version]
+path = "astetik/__init__.py"
+
+[tool.hatch.build.targets.sdist]
+include = [
+    "/astetik",
+]
diff --git a/requirements.txt b/requirements.txt
index 9923d73..37e9f41 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,4 +6,4 @@ pandas
 IPython
 patsy
 statsmodels
-sklearn
\ No newline at end of file
+scikit-learn
diff --git a/setup.py b/setup.py
index 3456c05..313cb19 100755
--- a/setup.py
+++ b/setup.py
@@ -24,7 +24,7 @@
 URL = 'http://mikkokotila.com'
 LICENSE = 'MIT'
 DOWNLOAD_URL = 'https://github.com/mikkokotila/pretty'
-VERSION = '1.13'
+VERSION = '1.14'
 
 try:
     from setuptools import setup
@@ -70,7 +70,7 @@ def check_dependencies():
     try:
         import sklearn
     except ImportError:
-        install_requires.append('sklearn')
+        install_requires.append('scikit-learn')
 
     return install_requires
 
diff --git a/test_script.py b/test_script.py
index 8a6d076..3acfc11 100644
--- a/test_script.py
+++ b/test_script.py
@@ -407,20 +407,20 @@ def multicount_full(df):
 # test_simple_minimal(df)
 
 # test plots with parameters
-corr_full(df)
-kde_full(df)
+#corr_full(df)
+#kde_full(df)
 hist_full(df)
 pie_full(df)
 swarm_full(df)
 scat_full(df)
 line_full(df)
-grid_full(df)
+#grid_full(df)
 box_full(df)
 violin_full(df)
 strip_full(df)
-count_full(df)
-bars_full(df)
+#count_full(df)
+#bars_full(df)
 overlap_full(df)
-multikde_full(df)
-compare_full(df)
-multicount_full(df)
+#multikde_full(df)
+#compare_full(df)
+#multicount_full(df)