diff --git a/CHANGELOG.md b/CHANGELOG.md
index f9f343ba4b..42f9486d26 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,7 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
-## UNRELEASED
+## [5.3.0] - 2021-08-29
 
 ### Updated
 
diff --git a/README.md b/README.md
index c52a8fc136..46e031ee11 100644
--- a/README.md
+++ b/README.md
@@ -114,7 +114,7 @@ The instructions above apply to JupyterLab 3.x. **For JupyterLab 2 or earlier**,
 
 ```
 # JupyterLab 2.x renderer support
-jupyter labextension install jupyterlab-plotly@5.2.2 @jupyter-widgets/jupyterlab-manager
+jupyter labextension install jupyterlab-plotly@5.3.0 @jupyter-widgets/jupyterlab-manager
 ```
 
 Please check out our [Troubleshooting guide](https://plotly.com/python/troubleshooting/) if you run into any problems with JupyterLab.
diff --git a/packages/javascript/jupyterlab-plotly/package-lock.json b/packages/javascript/jupyterlab-plotly/package-lock.json
index daf317f8fa..5c8fe5e1bb 100644
--- a/packages/javascript/jupyterlab-plotly/package-lock.json
+++ b/packages/javascript/jupyterlab-plotly/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "jupyterlab-plotly",
-  "version": "5.2.2",
+  "version": "5.3.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/packages/javascript/jupyterlab-plotly/package.json b/packages/javascript/jupyterlab-plotly/package.json
index 6bccd8d72e..a8ad978b2c 100644
--- a/packages/javascript/jupyterlab-plotly/package.json
+++ b/packages/javascript/jupyterlab-plotly/package.json
@@ -1,6 +1,6 @@
 {
   "name": "jupyterlab-plotly",
-  "version": "5.2.2",
+  "version": "5.3.0",
   "description": "The plotly Jupyter extension",
   "author": "The plotly.py team",
   "license": "MIT",
diff --git a/packages/python/plotly/plotly/_widget_version.py b/packages/python/plotly/plotly/_widget_version.py
index 10ca54b05a..4f0795bd58 100644
--- a/packages/python/plotly/plotly/_widget_version.py
+++ b/packages/python/plotly/plotly/_widget_version.py
@@ -2,4 +2,4 @@
 # for automated dev builds
 #
 # It is edited by hand prior to official releases
-__frontend_version__ = "^5.2.2"
+__frontend_version__ = "^5.3.0"