diff --git a/.version b/.version
index 03f488b0..8a30e8f9 100644
--- a/.version
+++ b/.version
@@ -1 +1 @@
-5.3.0
+5.4.0
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 131e2a6f..03ded7c7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,20 @@
 # Change Log
 
+## [5.4.0](https://github.com/auth0/auth0-java/tree/5.4.0) (2026-09-30)
+[Full Changelog](https://github.com/auth0/auth0-java/compare/5.3.0...5.4.0)
+
+**Added**
+- feat: allow reusing an existing OkHttpClient via DefaultHttpClient.Bu… [\#936](https://github.com/auth0/auth0-java/pull/936) ([tanya732](https://github.com/tanya732))
+- feat: add Experiment Center, consent non-repudiation & client OIDC support [\#937](https://github.com/auth0/auth0-java/pull/937) ([fern-api[bot]](https://github.com/apps/fern-api))
+    - **Experiment Center - A/B Testing (Early Access):** builds the `experimentation()` client out into a full A/B-testing surface. 
+    - **Resource Servers - consent non-repudiation:** adds a `requireConsentNonRepudiation` flag to the resource server create, update, get, and search payloads.
+    - **Connections:** surfaces new provider option fields on the SAML, AD, ADFS, Azure AD, and PingFederate connection option types.
+
+**Breaking changes**
+- feat: add Experiment Center, consent non-repudiation & client OIDC support [\#937](https://github.com/auth0/auth0-java/pull/937) ([fern-api[bot]](https://github.com/apps/fern-api))
+    - **Removed the per-organization Organization Template client.** 
+
+
 ## [5.3.0](https://github.com/auth0/auth0-java/tree/5.3.0) (2026-09-15)
 [Full Changelog](https://github.com/auth0/auth0-java/compare/5.2.0...5.3.0)
 
diff --git a/README.md b/README.md
index 2bc2a8d0..7f4b0759 100644
--- a/README.md
+++ b/README.md
@@ -40,14 +40,14 @@ Add the dependency via Maven:
 <dependency>
   <groupId>com.auth0</groupId>
   <artifactId>auth0</artifactId>
-  <version>5.3.0</version>
+  <version>5.4.0</version>
 </dependency>
 ```
 
 or Gradle:
 
 ```gradle
-implementation 'com.auth0:auth0:5.3.0'
+implementation 'com.auth0:auth0:5.4.0'
 ```
 
 ### Configure the SDK