diff --git a/package.json b/package.json
index d56e3b2..d5b4896 100644
--- a/package.json
+++ b/package.json
@@ -26,16 +26,15 @@
   "homepage": "https://github.com/rtablada/adonis-jsonapi#readme",
   "dependencies": {
     "change-case": "^3.0.0",
-    "i": "^0.3.5",
-    "inflect": "^0.4.0",
+    "inflection": "^1.12.0",
     "jsonapi-serializer": "^3.5.0",
     "lodash.keysin": "^4.2.0",
     "lodash.mapkeys": "^4.6.0",
     "lodash.pick": "^4.4.0",
-    "node-exceptions": "^1.0.3"
+    "node-exceptions": "^4.0.1"
   },
   "peerDependencies": {
-    "adonis-fold": "^3.0.2"
+    "@adonisjs/fold": "^4.0.0"
   },
   "devDependencies": {
     "eslint": "^3.2.0",
diff --git a/providers/JsonApiProvider.js b/providers/JsonApiProvider.js
index d01d41d..e9b7083 100644
--- a/providers/JsonApiProvider.js
+++ b/providers/JsonApiProvider.js
@@ -1,17 +1,62 @@
-'use strict';
+const { ServiceProvider, ioc } = require('@adonisjs/fold');
+const JsonApiSerializer = require('jsonapi-serializer').Serializer;
+const { JsonApiError, ValidationError } = require('../src/JsonApiRequest');
+const Helpers = use('Helpers');
 
-const ServiceProvider = require('adonis-fold').ServiceProvider;
+function setupSerializer(use) {
+  return function (serializerName, data, meta) {
+
+    const View = require(Helpers.appRoot() + '/app/JsonApiViews/' + serializerName + '.js')
+    const view = new View(use)
+
+    if (data.toJSON && typeof data.toJSON === 'function') {
+      data = data.toJSON()
+    }
+
+    const pluralizeType = Array.isArray(data)
+    const options = Object.assign({}, view.build({ meta: meta }), { pluralizeType })
+    const json = new JsonApiSerializer(view.type, options).serialize(data)
+
+    return json
+  };
+}
 
 class JsonApiProvider extends ServiceProvider {
+  async boot () {
+    const Response = use('Adonis/Src/Response');
+    const serializer = setupSerializer(use);
+
+    Response.macro('serializePayload', serializer);
+    Response.macro('jsonApi', function (serializerName, data, meta = {}, statusCode = 200) {
+      const json = serializer(serializerName, data, meta);
 
-  * register() {
-    this.app.bind('AdonisJsonApi/Middleware', (app) => {
+      this.status(statusCode).json(json);
+    });
+
+    Response.macro('isJsonApiError', (err) => err instanceof JsonApiError);
+    Response.macro('isValidationError', (err) => err instanceof ValidationError);
+    Response.macro('jsonApiError', function (err) {
+      if (err instanceof ValidationError) {
+        this.status(err.status).json({ errors: err.makeErrors() });
+      } else if (err instanceof JsonApiError) {
+        this.status(err.status).json({ errors: [err.message] });
+      } else {
+        this.status(err.status).json({ errors: [{
+          status: err.status,
+          title: err.name,
+          detail: err.message,
+        }] });
+      }
+    });
+  }
+
+  async register() {
+    ioc.bind('Adonis/Middleware/JsonApi', (app) => {
       const JsonApi = require('../src/JsonApiMiddleware');
 
       return new JsonApi(app.use);
     });
   }
-
 }
 
 module.exports = JsonApiProvider;
diff --git a/src/JsonApiMiddleware.js b/src/JsonApiMiddleware.js
index 81b7d5f..8e1b2f2 100644
--- a/src/JsonApiMiddleware.js
+++ b/src/JsonApiMiddleware.js
@@ -1,65 +1,11 @@
-'use strict';
-
-const JsonApiSerializer = require('jsonapi-serializer').Serializer;
-const { JsonApiRequest, JsonApiError, ValidationError } = require('./JsonApiRequest');
-
-function setupSerializer(use) {
-  return function (serializerName, data, meta) {
-    const helpers = use('Helpers');
-
-    const View = use(helpers.makeNameSpace('Http/JsonApiViews', serializerName));
-    const view = new View(use);
-
-    if (data.toJSON && typeof data.toJSON === 'function') {
-      data = data.toJSON();
-    }
-
-    const pluralizeType = Array.isArray(data);
-
-    const options = Object.assign({}, view.build({ meta: meta }), { pluralizeType });
-
-    const json = new JsonApiSerializer(view.type, options).serialize(data);
-
-    return json;
-  };
-}
+const { JsonApiRequest } = require('./JsonApiRequest');
 
 class JsonApi {
-
-  constructor(use) {
-    const Response = use('Adonis/Src/Response');
-    const serializer = setupSerializer(use);
-
-    Response.macro('serializePayload', serializer);
-    Response.macro('jsonApi', function (serializerName, data, meta = {}, statusCode = 200) {
-      const json = serializer(serializerName, data, meta);
-
-      this.status(statusCode).json(json);
-    });
-
-    Response.macro('isJsonApiError', (err) => err instanceof JsonApiError);
-    Response.macro('isValidationError', (err) => err instanceof ValidationError);
-    Response.macro('jsonApiError', function (err) {
-      if (err instanceof ValidationError) {
-        this.status(err.status).json({ errors: err.makeErrors() });
-      } else if (err instanceof JsonApiError) {
-        this.status(err.status).json({ errors: [err.message] });
-      } else {
-        this.status(err.status).json({ errors: [{
-          status: err.status,
-          title: err.name,
-          detail: err.message,
-        }] });
-      }
-    });
-  }
-
-  * handle(request, response, next) {
+  async handle({ request }, next) {
     request.jsonApi = new JsonApiRequest(request);
 
-    yield next;
+    await next();
   }
-
 }
 
 module.exports = JsonApi;
diff --git a/src/JsonApiRequest.js b/src/JsonApiRequest.js
index 60c81c6..f4a3632 100644
--- a/src/JsonApiRequest.js
+++ b/src/JsonApiRequest.js
@@ -84,9 +84,9 @@ class JsonApiRequest {
     }
   }
 
-  * assertValid(input, rules, messages) {
+  async assertValid(input, rules, messages) {
     const Validator = use('Validator');
-    const validation = yield Validator.validateAll(input, rules, messages);
+    const validation = await Validator.validateAll(input, rules, messages);
 
     if (validation.fails()) {
       throw new ValidationError(validation);
diff --git a/src/JsonApiView.js b/src/JsonApiView.js
index bca4d6b..6c248dd 100644
--- a/src/JsonApiView.js
+++ b/src/JsonApiView.js
@@ -1,4 +1,4 @@
-const i = require('inflect');
+const i = require('inflection');
 const keysIn = require('lodash.keysin');
 
 class JsonApiRelation {