diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index fdbfac0..91c37a5 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 0.3.2
+current_version = 0.3.3
 commit = True
 message = release {new_version}
 tag = False
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6442487..a548f20 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -22,6 +22,14 @@ This is where each new PR to the project should add a summary of its changes,
 which makes it much easier to fill in each release's changelog :)
 
 
+0.3.3
+-----
+
+-  [#1128](https://github.com/ipython-contrib/pulls/1128)
+   bugfix for notebook < 5.2.0, bugs introduced by
+   [@jcb91](https://github.com/jcb91) in
+   [#1123](https://github.com/ipython-contrib/pulls/1123)
+
 0.3.2
 -----
 
@@ -37,7 +45,7 @@ Repo-level stuff:
    [@jcb91](https://github.com/jcb91)
    test yaml files using jupyter_nbextensions_configurator to avoid any yaml
    typos which may prevent nbextensions from getting installed.
--  [#1103](https://github.com/ipython-contrib/pulls/1123)
+-  [#1103](https://github.com/ipython-contrib/pulls/1103)
    [@Sukneet](https://github.com/Sukneet)
    update add_buttons_group to use action instead of button
 
@@ -107,7 +115,6 @@ New features and bugfixes:
   * [#1121](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pulls/1121)
     [@jcb91](https://github.com/jcb91)
     correct toc tree construction
-
 - `zenmode`
   [#1062](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/pulls/1062)
   [@soamaven](https://github.com/soamaven)
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 11f810e..8491e64 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -41,9 +41,9 @@ author = 'Jupyter Contrib Team'
 # built documents.
 #
 # The short X.Y version.
-version = '0.3.2'
+version = '0.3.3'
 # The full version, including alpha/beta/rc tags.
-release = '0.3.2'
+release = '0.3.3'
 
 # The suffix(es) of source filenames.
 # You can specify multiple suffix as a list of strings
diff --git a/setup.py b/setup.py
index 643ac19..4e70818 100755
--- a/setup.py
+++ b/setup.py
@@ -42,14 +42,14 @@ The maturity of the provided extensions varies, so please check
 `the repository issues page <https://github.com/ipython-contrib/jupyter_contrib_nbextensions/issues>`_
 if you encounter any problems, and create a new issue if needed!
 """,  # noqa: E501
-        version='0.3.2',
+        version='0.3.3',
         author='ipython-contrib and jupyter-contrib developers',
         author_email='jupytercontrib@gmail.com',
         url=('https://github.com/'
              'ipython-contrib/jupyter_contrib_nbextensions.git'),
         download_url=('https://github.com/'
                       'ipython-contrib/jupyter_contrib_nbextensions'
-                      '/tarball/0.3.2'),
+                      '/tarball/0.3.3'),
         keywords=['IPython', 'Jupyter', 'notebook'],
         license='BSD',
         platforms=['Any'],
diff --git a/src/jupyter_contrib_nbextensions/__init__.py b/src/jupyter_contrib_nbextensions/__init__.py
index 96275fb..d2aac80 100644
--- a/src/jupyter_contrib_nbextensions/__init__.py
+++ b/src/jupyter_contrib_nbextensions/__init__.py
@@ -4,7 +4,7 @@ import os
 
 import jupyter_nbextensions_configurator
 
-__version__ = '0.3.2'
+__version__ = '0.3.3'
 
 
 def _jupyter_server_extension_paths():