diff --git a/NEWS.rst b/NEWS.rst
index b51cdda3..49b9134a 100644
--- a/NEWS.rst
+++ b/NEWS.rst
@@ -1,3 +1,9 @@
+Version 0.9.1 -- 2023-03-14 -- PyPI__ -- diff__
+ * pandoc: disable "smart" option only for version 2.0+
+
+__ https://pypi.org/project/nbsphinx/0.9.1/
+__ https://github.com/spatialaudio/nbsphinx/compare/0.9.0...0.9.1
+
 Version 0.9.0 -- 2023-03-12 -- PyPI__ -- diff__
  * Split ``nbsphinx.py`` (a Python *module*) into:
 
diff --git a/src/nbsphinx/__init__.py b/src/nbsphinx/__init__.py
index ad7ebf5e..e4b4a4b2 100644
--- a/src/nbsphinx/__init__.py
+++ b/src/nbsphinx/__init__.py
@@ -3,7 +3,7 @@
 https://nbsphinx.readthedocs.io/
 
 """
-__version__ = '0.9.0'
+__version__ = '0.9.1'
 
 import collections.abc
 import copy