diff --git a/plugins/plotly-express/CHANGELOG.md b/plugins/plotly-express/CHANGELOG.md
new file mode 100644
index 000000000..1af0c7e4d
--- /dev/null
+++ b/plugins/plotly-express/CHANGELOG.md
@@ -0,0 +1,18 @@
+# Changelog
+All notable changes to this project will be documented in this file. See [conventional commits](https://www.conventionalcommits.org/) for commit guidelines.
+
+- - -
+## plotly-express-v0.3.0 - 2024-02-12
+#### Bug Fixes
+- Initial set of type fixes (#217) - (5c52488) - Joe
+- Version bump + loading spinner fixes (#243) - (aeb7796) - bmingles
+- Fixed time preprocessor test (#181) - (05bbd59) - Joe
+#### Build system
+- Post-release plotly-express bump to 0.3.0.dev0 (#173) - (0e69a02) - Joe
+#### Features
+- Support lerna scopes in npm start (#203) - (aab9591) - bmingles
+- Add plotly-express JsPlugin implementation and registration (#150) - (d6d0416) - devinrsmith
+
+- - -
+
+Changelog generated by [cocogitto](https://github.com/cocogitto/cocogitto).
\ No newline at end of file
diff --git a/plugins/plotly-express/setup.cfg b/plugins/plotly-express/setup.cfg
index cb392eaf3..a70ea7747 100644
--- a/plugins/plotly-express/setup.cfg
+++ b/plugins/plotly-express/setup.cfg
@@ -3,7 +3,7 @@ name = deephaven-plugin-plotly-express
 description = Deephaven Chart Plugin
 long_description = file: README.md
 long_description_content_type = text/markdown
-version = 0.4.0.dev0
+version = 0.3.0
 url = https://github.com/deephaven/deephaven-plugins
 project_urls =
     Source Code = https://github.com/deephaven/deephaven-plugins