diff --git a/plotly-4.1.1.tar.gz b/plotly-4.1.1.tar.gz
deleted file mode 100644
index 7e809d1..0000000
--- a/plotly-4.1.1.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:0f0cd50a8bad5acadfc95af367820da8ed3e1569d83ef13bb218cc4259dcf219
-size 4869619
diff --git a/plotly-4.2.1.tar.gz b/plotly-4.2.1.tar.gz
new file mode 100644
index 0000000..5da8934
--- /dev/null
+++ b/plotly-4.2.1.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:6650ddb4da3aa94dcaa32e0779e611c6b17f371b5250ffdbf5ece6d66ba4483b
+size 5011519
diff --git a/python-plotly.changes b/python-plotly.changes
index 3826a16..0e65ab8 100644
--- a/python-plotly.changes
+++ b/python-plotly.changes
@@ -1,3 +1,35 @@
+-------------------------------------------------------------------
+Sat Nov  9 15:07:23 UTC 2019 - Arun Persaud <arun@gmx.de>
+
+- update to version 4.2.1:
+  * Fixed
+    + Fixed regression in 4.2.0 that caused all figure factories to
+      require that scikit-image be installed (#1832)
+
+- changes from version 4.2.0:
+  * Updated
+    + Updated Plotly.js to version 1.50.1. See the plotly.js CHANGELOG
+      for more information
+  * Added
+    + Added treemap trace type (plotly.js#4185, plotly.js#4219,
+      plotly.js#4227, plotly.js#4242)
+    + Added add_*/select_*/for_each_*/update_* convenience figure
+      methods for annotations, shapes, and images (#1817)
+    + Added overwrite kwarg to update* figure methods to fully replace
+      property values, rather than update them recursively (#1726)
+    + Added texttemplate attribute to all traces that support on-graph
+      text (plotly.js#4071, plotly.js#4179)
+    + Added date custom formatting in hovertemplate and texttemplate
+      e.g. '%{x|%b %-d, %Y}' (plotly.js#4071)
+    + Added transition support to bar trace length, width, on-graph
+      text positioning, marker style and error bars (plotly.js#4180,
+      plotly.js#4186)
+    + Added support for legend scrolling via touch interactions
+      (plotly.js#3873, plotly.js#4214)
+  * Fixed
+    + Fixed iframe renderer on Python 2 (#1822)
+    + Fixed use of merged templates in plotly.express (#1819)
+
 -------------------------------------------------------------------
 Sat Sep  7 16:30:21 UTC 2019 - Arun Persaud <arun@gmx.de>
 
diff --git a/python-plotly.spec b/python-plotly.spec
index f42139d..1cd29ea 100644
--- a/python-plotly.spec
+++ b/python-plotly.spec
@@ -18,11 +18,10 @@
 
 %{?!python_module:%define python_module() python-%{**} python3-%{**}}
 Name:           python-plotly
-Version:        4.1.1
+Version:        4.2.1
 Release:        0
 Summary:        Library for collaborative, interactive, publication-quality graphs
 License:        MIT
-Group:          Development/Languages/Python
 URL:            https://github.com/plotly/plotly.py
 Source:         https://files.pythonhosted.org/packages/source/p/plotly/plotly-%{version}.tar.gz
 Source100:      python-plotly-rpmlintrc
@@ -60,7 +59,6 @@ always accessible from the graph.
 
 %package        jupyter
 Summary:        Jupyter notebook integration for %{name}
-Group:          Development/Languages/Python
 Requires:       %{name} = %{version}
 Requires:       jupyter-plotly = %{version}
 Requires:       python-ipython
@@ -84,7 +82,6 @@ This package provides Jupyter Notebook integration and widgets.
 
 %package     -n jupyter-plotly
 Summary:        Jupyter notebook integration for %{name}
-Group:          Development/Languages/Python
 Requires:       jupyter-ipython
 Requires:       jupyter-ipywidgets
 Requires:       jupyter-nbformat >= 4.2
@@ -110,7 +107,7 @@ This package provides Jupyter Notebook integration and widgets.
 
 %install
 %python_install
-%{jupyter_move_config}
+%jupyter_move_config
 %python_expand %fdupes %{buildroot}%{$python_sitelib}
 %fdupes %{buildroot}%{jupyter_prefix}