diff --git a/integrate-convertkit-wpforms.php b/integrate-convertkit-wpforms.php
index 783c6e9..1552aa7 100644
--- a/integrate-convertkit-wpforms.php
+++ b/integrate-convertkit-wpforms.php
@@ -9,7 +9,7 @@
  * Plugin Name: Kit (formerly ConvertKit) for WPForms
  * Plugin URI:  https://kit.com
  * Description: Create Kit signup forms using WPForms
- * Version:     1.9.0
+ * Version:     1.9.0.1
  * Author:      Kit
  * Author URI:  https://kit.com
  * Text Domain: integrate-convertkit-wpforms
@@ -28,12 +28,12 @@
 define( 'INTEGRATE_CONVERTKIT_WPFORMS_FILE', plugin_basename( __FILE__ ) );
 define( 'INTEGRATE_CONVERTKIT_WPFORMS_URL', plugin_dir_url( __FILE__ ) );
 define( 'INTEGRATE_CONVERTKIT_WPFORMS_PATH', __DIR__ );
-define( 'INTEGRATE_CONVERTKIT_WPFORMS_VERSION', '1.9.0' );
+define( 'INTEGRATE_CONVERTKIT_WPFORMS_VERSION', '1.9.0.1' );
 define( 'INTEGRATE_CONVERTKIT_WPFORMS_OAUTH_CLIENT_ID', '147qqKJeENYp5MqgL6AOShDDcLK3UQeClmcIV1ij3gI' );
 define( 'INTEGRATE_CONVERTKIT_WPFORMS_OAUTH_REDIRECT_URI', 'https://app.kit.com/wordpress/redirect' );
 
 // Load shared classes, if they have not been included by another ConvertKit Plugin.
-if ( ! trait_exists( 'ConvertKit_API_Traits' ) ) {
+if ( ! trait_exists( 'ConvertKit_API\ConvertKit_API_Traits' ) ) {
 	require_once INTEGRATE_CONVERTKIT_WPFORMS_PATH . '/vendor/convertkit/convertkit-wordpress-libraries/src/class-convertkit-api-traits.php';
 }
 if ( ! class_exists( 'ConvertKit_API_V4' ) ) {
diff --git a/languages/integrate-convertkit-wpforms.pot b/languages/integrate-convertkit-wpforms.pot
index ad0af1b..b8308dd 100644
--- a/languages/integrate-convertkit-wpforms.pot
+++ b/languages/integrate-convertkit-wpforms.pot
@@ -2,14 +2,14 @@
 # This file is distributed under the GPLv3 or later.
 msgid ""
 msgstr ""
-"Project-Id-Version: Kit (formerly ConvertKit) for WPForms 1.9.0\n"
+"Project-Id-Version: Kit (formerly ConvertKit) for WPForms 1.9.0.1\n"
 "Report-Msgid-Bugs-To: https://wordpress.org/support/plugin/convertkit-wpforms\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"POT-Creation-Date: 2026-03-27T14:39:16+00:00\n"
+"POT-Creation-Date: 2026-03-30T09:29:25+00:00\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "X-Generator: WP-CLI 2.12.0\n"
 "X-Domain: integrate-convertkit-wpforms\n"
diff --git a/readme.txt b/readme.txt
index 488c51a..4c5fb19 100644
--- a/readme.txt
+++ b/readme.txt
@@ -5,7 +5,7 @@ Tags: form, wpforms, convertkit, email, marketing
 Requires at least: 5.0
 Tested up to: 6.9
 Requires PHP: 7.1
-Stable tag: 1.9.0
+Stable tag: 1.9.0.1
 License: GPLv3 or later
 License URI: https://www.gnu.org/licenses/gpl-3.0.html
 
@@ -42,6 +42,9 @@ No. You must first have an account on kit.com, but you do not have to use a paid
 
 == Changelog ==
 
+### 1.9.0.1 2026-03-30
+* Fix: Fatal error: Cannot redeclare trait ConvertKit_API\ConvertKit_API_Traits
+
 ### 1.9.0 2026-03-30
 * Updated: Use WordPress Libraries 2.1.4