diff --git a/CHANGELOG.md b/CHANGELOG.md
index c6ee9eb..7847970 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,9 @@ Change Log
 
 All notable changes to this project will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org/).
 
+## [1.3.1] - 2022-10-24
+- Added: OpenUPM documentation.
+
 ## [1.3.0] - 2022-10-03
 - Changed: Updated organization name to comply with [Unity Package Guidelines](https://unity.com/legal/terms-of-service/software/package-guidelines).
 - Fixed: Updated assembly definition and namespaces names to reflect the organization name changes.
@@ -23,6 +26,7 @@ All notable changes to this project will be documented in this file. This projec
 - Added: `DebugExtensions` to help debugging arrays and collections.
 - Added: `GameObjectExtensions` to help with common `GameObject` operations.
 
+[1.3.1]: https://github.com/joaoborks/mygamedevtools-extensions/compare/1.3.0...1.3.1
 [1.3.0]: https://github.com/joaoborks/mygamedevtools-extensions/compare/1.2.0...1.3.0
 [1.2.0]: https://github.com/joaoborks/mygamedevtools-extensions/compare/1.1.0...1.2.0
 [1.1.0]: https://github.com/joaoborks/mygamedevtools-extensions/compare/1.0.0...1.1.0
diff --git a/README.md b/README.md
index 5274c01..65e998d 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,5 @@
 ![License](https://img.shields.io/github/license/mygamedevtools/extensions)
+[![openupm](https://img.shields.io/npm/v/com.mygamedevtools.extensions?label=openupm&registry_uri=https://package.openupm.com)](https://openupm.com/packages/com.mygamedevtools.extensions/)
 ![Release](https://img.shields.io/github/v/release/mygamedevtools/extensions?sort=semver)
 ![Last Commit](https://img.shields.io/github/last-commit/mygamedevtools/extensions)
 
@@ -10,21 +11,22 @@ _A personal collection of Unity Engine tools, extensions, and helpers._
 Installation
 ---
 
-#### - For 2019.1+: [Installing from a git URL](https://docs.unity3d.com/Manual/upm-ui-giturl.html) _(requires [Git](https://git-scm.com/) installed and added to the PATH)_
-You can open the Package Manager and then click on the `+` button on the top left corner. 
-From there select `Add package from git URL...`, type `https://github.com/mygamedevtools/extensions.git` and click `Add`. 
-The package will be imported by the Package Manager.
+### OpenUPM
+
+This package is available on the [OpenUPM](https://openupm.com/packages/com.mygamedevtools.extensions) registry. Add the package via the [openupm-cli](https://github.com/openupm/openupm-cli):
 
-#### - Other Package Manager supported versions: Add manually to manifest
-You should add this to your `manifest.json` under the `Packages` folder on the root of your Unity Project:
 ```
-{
-  "dependencies": {
-	  "com.mygamedevtools.extensios": "https://github.com/mygamedevtools/extensions.git"
-  }
-}
+openupm add com.mygamedevtools.extensions
 ```
 
+### [Installing from Git](https://docs.unity3d.com/Manual/upm-ui-giturl.html) _(requires [Git](https://git-scm.com/) installed and added to the PATH)_
+
+1. Open `Edit/Project Settings/Package Manager`.
+2. Click <kbd>+</kbd>.
+3. Select `Add package from git URL...`.
+4. Paste `com.mygamedevtools.extensions` into name.
+5. Click `Add`.
+
 Usage
 ---
 
diff --git a/package.json b/package.json
index d4d802d..19596da 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "com.mygamedevtools.extensions",
-  "version": "1.3.0",
+  "version": "1.3.1",
   "displayName": "Extensions",
   "description": "A personal collection of Unity Engine tools, extensions and helpers.",
   "unity": "2019.4",