diff --git a/README.md b/README.md
index 69abde07..4be5ccee 100644
--- a/README.md
+++ b/README.md
@@ -161,6 +161,7 @@ Gateway | Composer Package | Maintainer
 [PaymentWall](https://github.com/incube8/omnipay-paymentwall) | incube8/omnipay-paymentwall | [Del](https://github.com/delatbabel)
 [PayPal](https://github.com/thephpleague/omnipay-paypal) | omnipay/paypal | [Del](https://github.com/delatbabel)
 [PayPro](https://github.com/payproNL/omnipay-paypro) | paypronl/omnipay-paypro | [Fruitcake Studio](https://github.com/fruitcakestudio)
+[PAYONE](https://github.com/academe/omnipay-payone) | academe/omnipay-payone | [Jason Judge](https://github.com/judgej)
 [Paysafecard](https://github.com/dercoder/omnipay-paysafecard) | dercoder/omnipay-paysafecard | [Alexander Fedra](https://github.com/dercoder)
 [PayTrace](https://github.com/iddqdidkfa/omnipay-paytrace) | softcommerce/omnipay-paytrace | [Oleg Ilyushyn](https://github.com/iddqdidkfa)
 [PayU](https://github.com/efesaid/omnipay-payu) | omnipay/payu | [efesaid](https://github.com/efesaid)
diff --git a/composer.json b/composer.json
index 0a2ec7ec..ecd85525 100644
--- a/composer.json
+++ b/composer.json
@@ -34,6 +34,7 @@
         "payflow",
         "payment",
         "paymentexpress",
+        "payone",
         "paypal",
         "pin",
         "purchase",