diff --git a/CHANGES.RST b/CHANGES.RST
index 990a93c..8ad79b6 100644
--- a/CHANGES.RST
+++ b/CHANGES.RST
@@ -1,3 +1,11 @@
+4.9.0 (2026-09-30)
+================
+- Added support for $nationality, $year_of_birth fields to $create_account, $update_account events
+- Added support for $kyc complex field to $create_account, $update_account, $transaction,
+  $create_order, $update_order, $verification events
+- Added support for $geo, $bot_identification complex fields to $create_account,
+  $update_account, $login, $transaction, $create_order, $update_order events
+
 4.8.0 (2024-05-27)
 ================
 - Added support for warnings in Events API
diff --git a/composer.json b/composer.json
index 4773562..74685ec 100644
--- a/composer.json
+++ b/composer.json
@@ -4,7 +4,7 @@
     "keywords": ["sift", "sift science", "php", "fraud"],
     "homepage": "https://github.com/SiftScience/sift-php",
     "license": "MIT",
-    "version": "4.8.0",
+    "version": "4.9.0",
     "authors": [
         {
             "name": "Alex Lopatin"
diff --git a/lib/Sift.php b/lib/Sift.php
index ecf472b..7669d0d 100644
--- a/lib/Sift.php
+++ b/lib/Sift.php
@@ -12,7 +12,7 @@ abstract class Sift
      */
     public static $account_id;
 
-    const VERSION = '4.8.0';
+    const VERSION = '4.9.0';
 
     public static function setApiKey($api_key)
     {