diff --git a/.versionrc.json b/.versionrc.json
new file mode 100644
index 0000000..e9609d9
--- /dev/null
+++ b/.versionrc.json
@@ -0,0 +1,11 @@
+{
+    "header": "# PHP-Library Changelog",
+    "tagPrefix": "",
+    "bumpfiles": [
+      {
+        "filename": "composer.json",
+        "type": "json"
+      }
+    ]
+  }
+  
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..540be82
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,9 @@
+# PHP-Library Changelog
+## [1.0.0](http://bitbucket.ratepay.com:7999///compare/0.10.1...1.0.0) (2020-04-01)
+
+
+### Features
+
+* **i18n:** add support for other languages ([a57bfba](http://bitbucket.ratepay.com:7999///commit/a57bfba414ec22668640130874c899eef78b49e4))
+* Add fax and mobile attributes to contacts model ([10b510f](http://bitbucket.ratepay.com:7999///commit/10b510f657d40eaa4fd8e60e640cf1980aa76df2))
+* Add support for zero percent installment ([f62331e](http://bitbucket.ratepay.com:7999///commit/f62331eaa2f4b9081dd1ca1f2a7c35f69486d053))
diff --git a/README.md b/README.md
index ddd2798..9f6344b 100755
--- a/README.md
+++ b/README.md
@@ -4,8 +4,8 @@ RatePAY Integration Toolkit for PHP
 
 | Repository | Common RatePAY PHP Library
 |------------|----------
-| Author     | Marc Trösken, Eduardo Iriarte-Mendez
-| Version    | `0.10.1`
+| Author     | Eduardo Iriarte-Mendez
+| Version    | `1.0.1`
 | Link       | http://www.ratepay.com
 | Mail       | integration@ratepay.com
 
diff --git a/composer.json b/composer.json
index 58b2c16..e34c300 100755
--- a/composer.json
+++ b/composer.json
@@ -1,7 +1,7 @@
 {
   "name": "ratepay/php-library",
   "description": "RatePAY API PHP Library",
-  "version": "0.10.1",
+  "version": "1.0.0",
   "license": "MIT",
   "type": "library",
   "homepage": "https://ratepay.gitbook.io/docs/",
@@ -34,7 +34,7 @@
   "minimum-stability": "dev",
   "autoload": {
     "psr-4": {
-      "RatePAY\\" : "src/"
+      "RatePAY\\": "src/"
     }
   },
   "autoload-dev": {