diff --git a/CHANGELOG.md b/CHANGELOG.md
index e38aa0e..b5dbe46 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,11 @@
 # Changelog
+## [1.1.0](http://bitbucket.ratepay.com:7999///compare/1.0.3...1.1.0) (2020-10-12)
+
+
+### Features
+
+* update version on contant file ([1e3c609](http://bitbucket.ratepay.com:7999///commit/1e3c609173f5bc6fe34a21d2f4767821c7b66c55))
+
 ### [1.0.3](http://bitbucket.ratepay.com:7999///compare/1.0.2...1.0.3) (2020-09-30)
 
 
diff --git a/README.md b/README.md
index 7957cdb..922ef23 100755
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ RatePAY Integration Toolkit for PHP
 | Repository | Common RatePAY PHP Library
 |------------|----------
 | Author     | Eduardo Iriarte-Mendez
-| Version    | `1.0.3` [Changelog](./CHANGELOG.md)
+| Version    | `1.1.0` [Changelog](./CHANGELOG.md)
 | Link       | http://www.ratepay.com
 | Mail       | integration@ratepay.com
 
diff --git a/composer.json b/composer.json
index 3aa7d05..44f40d9 100755
--- a/composer.json
+++ b/composer.json
@@ -1,7 +1,7 @@
 {
   "name": "ratepay/php-library",
   "description": "Ratepay Payment-API PHP Library",
-  "version": "1.0.3",
+  "version": "1.1.0",
   "license": "MIT",
   "type": "library",
   "homepage": "https://ratepay.gitbook.io/docs/",
diff --git a/src/Model/Request/SubModel/Constants.php b/src/Model/Request/SubModel/Constants.php
index b997491..cc52acd 100755
--- a/src/Model/Request/SubModel/Constants.php
+++ b/src/Model/Request/SubModel/Constants.php
@@ -23,7 +23,7 @@ class Constants
     /**
      * Library version.
      */
-    const LIBRARY_VERSION = '0.9.5';
+    const LIBRARY_VERSION = '1.1.0';
 
     /**
      * Supported RatePAY API version.