diff --git a/python-xarray.spec b/python-xarray.spec
index 5240f74..4d59e75 100644
--- a/python-xarray.spec
+++ b/python-xarray.spec
@@ -22,19 +22,15 @@ Patch0003:      0003-DOC-Don-t-print-out-conda-pip-environment.patch
 BuildArch:      noarch
 
 BuildRequires:  python3-devel
-BuildRequires:  python3dist(cftime) >= 1
-BuildRequires:  python3-dask+array >= 2.11
-BuildRequires:  python3-dask+dataframe >= 2.11
+BuildRequires:  python3dist(cftime) >= 1.1
+BuildRequires:  python3dist(dask[array]) >= 2.15
+BuildRequires:  python3dist(dask[dataframe]) >= 2.15
 BuildRequires:  python3dist(netcdf4) >= 1.5
-BuildRequires:  python3dist(numpy) >= 1.17
-BuildRequires:  python3dist(pandas) >= 1
-BuildRequires:  python3dist(pint)
+BuildRequires:  python3dist(pint) >= 0.15
 BuildRequires:  python3dist(pytest) >= 2.7.1
 BuildRequires:  python3dist(pytest-xdist)
 BuildRequires:  python3dist(rasterio) >= 1.1
 BuildRequires:  python3dist(seaborn) >= 0.10
-BuildRequires:  python3dist(setuptools) >= 41.2
-BuildRequires:  python3dist(setuptools-scm)
 BuildRequires:  python3dist(zarr) >= 2.4
 
 %global _description %{expand: \
@@ -58,7 +54,6 @@ data model, and integrates tightly with dask for parallel computing.}
 
 %package -n     python3-%{srcname}
 Summary:        %{summary}
-%{?python_provide:%python_provide python3-%{srcname}}
 
 %description -n python3-%{srcname} %{_description}
 
@@ -72,7 +67,7 @@ BuildRequires:  natural-earth-map-data-110m
 BuildRequires:  natural-earth-map-data-10m
 BuildRequires:  python3-ipython-sphinx
 BuildRequires:  python3dist(jupyter-client)
-BuildRequires:  python3dist(matplotlib)
+BuildRequires:  python3dist(matplotlib) >= 3.2
 BuildRequires:  python3dist(sphinx)
 BuildRequires:  python3dist(sphinx-gallery)
 BuildRequires:  python3dist(sphinx-rtd-theme)
@@ -92,8 +87,12 @@ cp -p %SOURCE2 ./doc/gallery/
 %endif
 
 
+%generate_buildrequires
+%pyproject_buildrequires -r
+
+
 %build
-%py3_build
+%pyproject_wheel
 
 %if %{with docs}
 # generate html docs
@@ -106,7 +105,8 @@ popd
 
 
 %install
-%py3_install
+%pyproject_install
+%pyproject_save_files %{srcname}
 
 
 %check
@@ -120,11 +120,9 @@ pytest_args=(
 %{pytest} -ra "${pytest_args[@]}" --pyargs xarray
 
 
-%files -n python3-%{srcname}
+%files -n python3-%{srcname} -f %{pyproject_files}
 %license LICENSE licenses/DASK_LICENSE licenses/NUMPY_LICENSE licenses/PANDAS_LICENSE licenses/PYTHON_LICENSE licenses/SEABORN_LICENSE
 %doc README.rst
-%{python3_sitelib}/%{srcname}
-%{python3_sitelib}/%{srcname}-%{version}-py*.egg-info
 
 %if %{with docs}
 %files -n python-%{srcname}-doc