diff --git a/README.md b/README.md
index 4a3e6cca..4b3616f3 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 
 This is the officially supported PHP library for using Adyen's APIs.
 
-[![version](https://img.shields.io/badge/version-18.0.0-blue.svg)](https://packagist.org/packages/adyen/php-api-library)
+[![version](https://img.shields.io/badge/version-18.1.0-blue.svg)](https://packagist.org/packages/adyen/php-api-library)
 
 ## Supported API versions
 The library supports all APIs under the following services:
diff --git a/VERSION b/VERSION
index 7eae4e2e..d4df1049 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-18.0.0
+18.1.0
diff --git a/src/Adyen/Client.php b/src/Adyen/Client.php
index abcd2a3b..2886afef 100644
--- a/src/Adyen/Client.php
+++ b/src/Adyen/Client.php
@@ -7,7 +7,7 @@
 
 class Client
 {
-    const LIB_VERSION = "18.0.0";
+    const LIB_VERSION = "18.1.0";
     const LIB_NAME = "adyen-php-api-library";
     const USER_AGENT_SUFFIX = "adyen-php-api-library/";
     const ENDPOINT_TEST = "https://pal-test.adyen.com";