diff --git a/.version b/.version
index dffc266d..914ed938 100644
--- a/.version
+++ b/.version
@@ -1 +1 @@
-v6.3.0
+v6.4.0
diff --git a/CHANGELOG.md b/CHANGELOG.md
index b9fc0b5f..0823f708 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Change Log
 
+## [v6.4.0](https://github.com/auth0/ruby-auth0/tree/v6.4.0) (2026-09-30)
+[Full Changelog](https://github.com/auth0/ruby-auth0/compare/v6.3.0...v6.4.0)
+
+**Added**
+- feat: adds Experiment Center APIs (EA), client OIDC support, and consent non-repudiation; removes organization template sub-client [\#808](https://github.com/auth0/ruby-auth0/pull/808) ([fern-api[bot]](https://github.com/apps/fern-api))
+
 ## [v6.3.0](https://github.com/auth0/ruby-auth0/tree/v6.3.0) (2026-09-16)
 [Full Changelog](https://github.com/auth0/ruby-auth0/compare/v6.2.0...v6.3.0)
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 4bad557c..adefa7db 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    auth0 (6.3.0)
+    auth0 (6.4.0)
       addressable (~> 2.8)
       jwt (>= 2.7, < 4.0)
       rest-client (~> 2.1)
diff --git a/examples/ruby-api/Gemfile.lock b/examples/ruby-api/Gemfile.lock
index 60a57aea..e834fb73 100644
--- a/examples/ruby-api/Gemfile.lock
+++ b/examples/ruby-api/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: ../..
   specs:
-    auth0 (6.3.0)
+    auth0 (6.4.0)
       addressable (~> 2.8)
       jwt (>= 2.7, < 4.0)
       rest-client (~> 2.1)
diff --git a/lib/auth0/version.rb b/lib/auth0/version.rb
index 783370ed..ef3a26aa 100644
--- a/lib/auth0/version.rb
+++ b/lib/auth0/version.rb
@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module Auth0
-  VERSION = "6.3.0"
+  VERSION = "6.4.0"
 end