diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..9df1f6e
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+.DS_STORE
+
+/vendor/
diff --git a/changelog.txt b/CHANGELOG.md
similarity index 93%
rename from changelog.txt
rename to CHANGELOG.md
index a58cc9d..a8ee450 100644
--- a/changelog.txt
+++ b/CHANGELOG.md
@@ -1,7 +1,12 @@
 Changelog for "barion/barion-web-php"
 ----------------------------------------
+
+v1.3.0: 2017-03-27
+- Added composer support and published the fork on packagist.
+
 v1.2.8:  2017-04-13
 - FIX:  Refunded transactions parsed correctly
+
 v1.2.7:  2017-02-14
 - MERGE: Added FundingInformation and BankCard to PaymentStateResponse
 - MERGE: Added currency to PaymentStateResponseModel and TransactionDetailModel
@@ -37,4 +42,4 @@ v1.0.0 : 2015-11-17
 
 ----------------------------------------
 © 2016 Barion Payment Inc.
-All rights reserved.
\ No newline at end of file
+All rights reserved.
diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..1fa1984
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,28 @@
+{
+  "name": "barion/barion-web-php",
+  "description": "Barion PHP library",
+  "keywords": [
+    "barion",
+    "payment processing",
+    "api"
+  ],
+  "homepage": "https://www.barion.com",
+  "authors": [
+    {
+      "name": "Barion and contributors",
+      "homepage": "https://github.com/barion/barion-web-php"
+    }
+  ],
+  "type": "library",
+  "require": {
+      "ext-curl": "*",
+      "php": ">=5.6"
+  },
+  "license": "Apache-2.0",
+  "minimum-stability": "dev",
+  "autoload": {
+    "psr-4": {
+      "Barion\\": "lib/"
+    }
+  }
+}
diff --git a/library/BarionClient.php b/lib/BarionClient.php
similarity index 100%
rename from library/BarionClient.php
rename to lib/BarionClient.php
diff --git a/library/common/Constants.php b/lib/common/Constants.php
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rename from library/common/Constants.php
rename to lib/common/Constants.php
diff --git a/library/common/Enumerations.php b/lib/common/Enumerations.php
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rename from library/common/Enumerations.php
rename to lib/common/Enumerations.php
diff --git a/library/helpers/BarionHelper.php b/lib/helpers/BarionHelper.php
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rename from library/helpers/BarionHelper.php
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diff --git a/library/helpers/iBarionModel.php b/lib/helpers/iBarionModel.php
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rename from library/helpers/iBarionModel.php
rename to lib/helpers/iBarionModel.php
diff --git a/library/helpers/loader.php b/lib/helpers/loader.php
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rename from library/helpers/loader.php
rename to lib/helpers/loader.php
diff --git a/library/models/ApiErrorModel.php b/lib/models/ApiErrorModel.php
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rename from library/models/ApiErrorModel.php
rename to lib/models/ApiErrorModel.php
diff --git a/library/models/BankCardModel.php b/lib/models/BankCardModel.php
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rename from library/models/BankCardModel.php
rename to lib/models/BankCardModel.php
diff --git a/library/models/BaseRequestModel.php b/lib/models/BaseRequestModel.php
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rename from library/models/BaseRequestModel.php
rename to lib/models/BaseRequestModel.php
diff --git a/library/models/BaseResponseModel.php b/lib/models/BaseResponseModel.php
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diff --git a/library/models/FinishReservationRequestModel.php b/lib/models/FinishReservationRequestModel.php
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rename from library/models/FinishReservationRequestModel.php
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diff --git a/library/models/FinishReservationResponseModel.php b/lib/models/FinishReservationResponseModel.php
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rename from library/models/FinishReservationResponseModel.php
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diff --git a/library/models/FundingInformationModel.php b/lib/models/FundingInformationModel.php
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rename from library/models/FundingInformationModel.php
rename to lib/models/FundingInformationModel.php
diff --git a/library/models/ItemModel.php b/lib/models/ItemModel.php
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rename from library/models/ItemModel.php
rename to lib/models/ItemModel.php
diff --git a/library/models/PayeeTransactionModel.php b/lib/models/PayeeTransactionModel.php
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rename from library/models/PayeeTransactionModel.php
rename to lib/models/PayeeTransactionModel.php
diff --git a/library/models/PayeeTransactionToFinishModel.php b/lib/models/PayeeTransactionToFinishModel.php
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rename from library/models/PayeeTransactionToFinishModel.php
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diff --git a/library/models/PaymentQRRequestModel.php b/lib/models/PaymentQRRequestModel.php
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rename from library/models/PaymentQRRequestModel.php
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diff --git a/library/models/PaymentStateRequestModel.php b/lib/models/PaymentStateRequestModel.php
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rename from library/models/PaymentStateRequestModel.php
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diff --git a/library/models/PaymentStateResponseModel.php b/lib/models/PaymentStateResponseModel.php
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rename from library/models/PaymentStateResponseModel.php
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diff --git a/library/models/PaymentTransactionModel.php b/lib/models/PaymentTransactionModel.php
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rename from library/models/PaymentTransactionModel.php
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diff --git a/library/models/PreparePaymentRequestModel.php b/lib/models/PreparePaymentRequestModel.php
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rename from library/models/PreparePaymentRequestModel.php
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diff --git a/library/models/PreparePaymentResponseModel.php b/lib/models/PreparePaymentResponseModel.php
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rename from library/models/PreparePaymentResponseModel.php
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diff --git a/library/models/RefundRequestModel.php b/lib/models/RefundRequestModel.php
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rename from library/models/RefundRequestModel.php
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diff --git a/library/models/RefundResponseModel.php b/lib/models/RefundResponseModel.php
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rename from library/models/RefundResponseModel.php
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diff --git a/library/models/TransactionDetailModel.php b/lib/models/TransactionDetailModel.php
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rename from library/models/TransactionDetailModel.php
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diff --git a/library/models/TransactionResponseModel.php b/lib/models/TransactionResponseModel.php
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rename from library/models/TransactionResponseModel.php
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diff --git a/library/models/TransactionToFinishModel.php b/lib/models/TransactionToFinishModel.php
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rename from library/models/TransactionToFinishModel.php
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diff --git a/library/models/TransactionToRefundModel.php b/lib/models/TransactionToRefundModel.php
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rename from library/models/TransactionToRefundModel.php
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diff --git a/library/models/UserModel.php b/lib/models/UserModel.php
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rename from library/models/UserModel.php
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diff --git a/library/models/UserNameModel.php b/lib/models/UserNameModel.php
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rename from library/models/UserNameModel.php
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diff --git a/library/ssl/cacert.pem b/lib/ssl/cacert.pem
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rename from library/ssl/cacert.pem
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diff --git a/library/ssl/gd_bundle-g2.crt b/lib/ssl/gd_bundle-g2.crt
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rename from library/ssl/gd_bundle-g2.crt
rename to lib/ssl/gd_bundle-g2.crt