diff --git a/.gitignore b/.gitignore
index b7c4480..b83ed15 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 /nbconvert-4.2.0.tar.gz
+/nbconvert-5.2.1.tar.gz
diff --git a/python-nbconvert.spec b/python-nbconvert.spec
index 845a6ab..ca9e3e5 100644
--- a/python-nbconvert.spec
+++ b/python-nbconvert.spec
@@ -1,8 +1,8 @@
 %global pypi_name nbconvert
 
 Name:           python-%{pypi_name}
-Version:        4.2.0
-Release:        7%{?dist}
+Version:        5.2.1
+Release:        1%{?dist}
 Summary:        Converting Jupyter Notebooks
 
 License:        BSD and MIT
@@ -15,8 +15,15 @@ BuildRequires:  python2-devel
 BuildRequires:  python-sphinx
  
 BuildRequires:  python3-setuptools
+BuildRequires:	python3-sphinx
 BuildRequires:  python3-devel
 
+# for building docs
+BuildRequires:	python3-nbsphinx
+BuildRequires:	python3-ipython
+BuildRequires:	python3-ipython-sphinx
+BuildRequires:	pandoc
+
 %description
 The nbconvert tool, jupyter nbconvert, converts notebooks to various other 
 formats via Jinja templates. The nbconvert tool allows you to convert an 
@@ -78,7 +85,7 @@ rm -rf %{pypi_name}.egg-info
 %py3_build
 
 # generate html docs 
-sphinx-build docs/src/ipykernel/docs html
+sphinx-build-3 docs/source html
 
 # remove the sphinx-build leftovers
 rm -rf html/.{doctrees,buildinfo}
@@ -119,9 +126,12 @@ chmod 755 %{buildroot}%{python2_sitelib}/%{pypi_name}/nbconvertapp.py
 %{python3_sitelib}/%{pypi_name}/*
 
 %files -n python-%{pypi_name}-doc
-%doc html 
+%doc html
 
 %changelog
+* Thu May 25 2017 Mukundan Ragavan <nonamedotc@fedoraproject.org> - 5.2.1-1
+- Update to 5.2.1
+
 * Sat Feb 11 2017 Fedora Release Engineering <releng@fedoraproject.org> - 4.2.0-7
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild
 
diff --git a/sources b/sources
index a1ba637..ff20c7a 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-710e356c4effcfddd29a3c10f1d8c3e6  nbconvert-4.2.0.tar.gz
+SHA512 (nbconvert-5.2.1.tar.gz) = c71c95d6c7bda4b55afad792d108d48c27857e060531dc8ec262673971c258ff9480821bd78ee5cbdbb19f107d5f8d19a49eac88819f20a09b450c26681335fa