diff --git a/CHANGELOG.md b/CHANGELOG.md
index 96226a354..9801bdc7a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,39 @@
 
 <!-- <START NEW CHANGELOG ENTRY> -->
 
+## 0.4.8
+
+([Full Changelog](https://github.com/jupyter/nbclassic/compare/v0.4.7...5749f00a36cb80cecc04b684715013e59b227a41))
+
+### Enhancements made
+
+- Playwright Testing Conversion [#170](https://github.com/jupyter/nbclassic/pull/170) ([@ericsnekbytes](https://github.com/ericsnekbytes))
+
+### Bugs fixed
+
+- Handle async and sync contents managers [#172](https://github.com/jupyter/nbclassic/pull/172) ([@blink1073](https://github.com/blink1073))
+
+### Maintenance and upkeep improvements
+
+- Playwright port [#139](https://github.com/jupyter/nbclassic/pull/139) ([@ericsnekbytes](https://github.com/ericsnekbytes))
+
+### Documentation improvements
+
+- Documentation for the extensions configurator [#174](https://github.com/jupyter/nbclassic/pull/174) ([@echarles](https://github.com/echarles))
+- Updating contributing docs for playwright tests [#171](https://github.com/jupyter/nbclassic/pull/171) ([@RRosio](https://github.com/RRosio))
+
+### Other merged PRs
+
+- Update docs to remove install command [#173](https://github.com/jupyter/nbclassic/pull/173) ([@dleen](https://github.com/dleen))
+
+### Contributors to this release
+
+([GitHub contributors page for this release](https://github.com/jupyter/nbclassic/graphs/contributors?from=2022-10-20&to=2022-11-03&type=c))
+
+[@blink1073](https://github.com/search?q=repo%3Ajupyter%2Fnbclassic+involves%3Ablink1073+updated%3A2022-10-20..2022-11-03&type=Issues) | [@dleen](https://github.com/search?q=repo%3Ajupyter%2Fnbclassic+involves%3Adleen+updated%3A2022-10-20..2022-11-03&type=Issues) | [@echarles](https://github.com/search?q=repo%3Ajupyter%2Fnbclassic+involves%3Aecharles+updated%3A2022-10-20..2022-11-03&type=Issues) | [@ericsnekbytes](https://github.com/search?q=repo%3Ajupyter%2Fnbclassic+involves%3Aericsnekbytes+updated%3A2022-10-20..2022-11-03&type=Issues) | [@RRosio](https://github.com/search?q=repo%3Ajupyter%2Fnbclassic+involves%3ARRosio+updated%3A2022-10-20..2022-11-03&type=Issues)
+
+<!-- <END NEW CHANGELOG ENTRY> -->
+
 ## 0.4.7
 
 ([Full Changelog](https://github.com/jupyter/nbclassic/compare/v0.4.6...964941a4428cfbb385b5f8f557496582cf4d88d0))
@@ -24,8 +57,6 @@
 
 [@echarles](https://github.com/search?q=repo%3Ajupyter%2Fnbclassic+involves%3Aecharles+updated%3A2022-10-12..2022-10-20&type=Issues) | [@mcrutch](https://github.com/search?q=repo%3Ajupyter%2Fnbclassic+involves%3Amcrutch+updated%3A2022-10-12..2022-10-20&type=Issues)
 
-<!-- <END NEW CHANGELOG ENTRY> -->
-
 ## 0.4.6
 
 ([Full Changelog](https://github.com/jupyter/nbclassic/compare/v0.4.5...638141b299d2cbaae2062239c8db6ae6fd83e762))
diff --git a/nbclassic/_version.py b/nbclassic/_version.py
index ac9f65ced..e1bdf5fe1 100644
--- a/nbclassic/_version.py
+++ b/nbclassic/_version.py
@@ -5,7 +5,7 @@
 import re
 
 # Version string must appear intact for tbump versioning
-__version__ = '0.5.0.dev0'
+__version__ = '0.4.8'
 
 # Build up version_info tuple for backwards compatibility
 pattern = r'(?P<major>\d+).(?P<minor>\d+).(?P<patch>\d+)(?P<rest>.*)'
diff --git a/nbclassic/static/base/js/namespace.js b/nbclassic/static/base/js/namespace.js
index 7ee899278..8a63ff6fa 100644
--- a/nbclassic/static/base/js/namespace.js
+++ b/nbclassic/static/base/js/namespace.js
@@ -73,7 +73,7 @@ define(function(){
     // tree
     jglobal('SessionList','tree/js/sessionlist');
 
-    Jupyter.version = "0.5.0.dev0";
+    Jupyter.version = "0.4.8";
     Jupyter._target = '_blank';
 
     return Jupyter;
diff --git a/pyproject.toml b/pyproject.toml
index 9add18780..2163bde66 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,7 +24,7 @@ post-version-spec = "dev"
 ignore-glob = ["docs/source/examples/Notebook/Working With Markdown Cells.ipynb", "docs-translations/**/README.md", "docs/source/contributing.rst", "docs/source/examples/Notebook/JavaScript Notebook Extensions.ipynb", "CHANGELOG.md", "nbclassic/static/components/**/*.*"]
 
 [tool.tbump.version]
-current = "0.5.0.dev0"
+current = "0.4.8"
 regex = '''
   (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)
   ((?P<channel>a|b|rc|.dev)(?P<release>\d+))?