diff --git a/languages/yoast-test-helper.pot b/languages/yoast-test-helper.pot
index 86e3051..c523974 100644
--- a/languages/yoast-test-helper.pot
+++ b/languages/yoast-test-helper.pot
@@ -2,9 +2,9 @@
 # This file is distributed under the GPL v3.
 msgid ""
 msgstr ""
-"Project-Id-Version: Yoast Test Helper 1.18-RC7\n"
+"Project-Id-Version: Yoast Test Helper 1.18\n"
 "Report-Msgid-Bugs-To: https://github.com/yoast/yoast-test-helper/issues\n"
-"POT-Creation-Date: 2024-01-30 09:00:59+00:00\n"
+"POT-Creation-Date: 2024-02-01 12:10:29+00:00\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=utf-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/package.json b/package.json
index fbe5827..9285420 100644
--- a/package.json
+++ b/package.json
@@ -19,6 +19,6 @@
   },
   "dependencies": {},
   "yoast": {
-    "pluginVersion": "1.18-RC7"
+    "pluginVersion": "1.18"
   }
 }
diff --git a/readme.txt b/readme.txt
index c69d8a1..5701357 100644
--- a/readme.txt
+++ b/readme.txt
@@ -3,7 +3,7 @@ Contributors: yoast, joostdevalk, omarreiss, jipmoors, herregroen
 Tags: Yoast, Yoast SEO, development
 Requires at least: 6.3
 Tested up to: 6.4
-Stable tag: 1.18-RC7
+Stable tag: 1.18
 Requires PHP: 7.2.5
 License: GPLv2 or later
 License URI: https://www.gnu.org/licenses/gpl-2.0.html
diff --git a/yoast-test-helper.php b/yoast-test-helper.php
index a80b93b..6101e09 100644
--- a/yoast-test-helper.php
+++ b/yoast-test-helper.php
@@ -8,7 +8,7 @@
  *
  * @wordpress-plugin
  * Plugin Name: Yoast Test Helper
- * Version:     1.18-RC7
+ * Version:     1.18
  * Plugin URI:  https://github.com/yoast/yoast-test-helper
  * Description: Utility to provide testing features for Yoast plugins.
  * Author:      Team Yoast
@@ -35,7 +35,7 @@
 
 define( 'YOAST_TEST_HELPER_FILE', __FILE__ );
 define( 'YOAST_TEST_HELPER_DIR', dirname( YOAST_TEST_HELPER_FILE ) );
-define( 'YOAST_TEST_HELPER_VERSION', '1.18-RC7' );
+define( 'YOAST_TEST_HELPER_VERSION', '1.18' );
 
 if ( file_exists( __DIR__ . '/vendor/autoload.php' ) ) {
 	require __DIR__ . '/vendor/autoload.php';