diff --git a/web_widget_dropdown_dynamic/__manifest__.py b/web_widget_dropdown_dynamic/__manifest__.py
index 8a47e74b2..79edb4045 100644
--- a/web_widget_dropdown_dynamic/__manifest__.py
+++ b/web_widget_dropdown_dynamic/__manifest__.py
@@ -1,10 +1,10 @@
-# Copyright 2019 Brainbean Apps (https://brainbeanapps.com)
+# Copyright 2019-2020 Brainbean Apps (https://brainbeanapps.com)
 # License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
 {
     "name": "Dynamic Dropdown Widget",
     "summary": "This module adds support for dynamic dropdown widget",
     "category": "Web",
-    "version": "12.0.1.0.0",
+    "version": "13.0.1.0.0",
     "license": "AGPL-3",
     "author": "Brainbean Apps OU, Odoo Community Association (OCA)",
     "website": "https://github.com/OCA/web/",
diff --git a/web_widget_dropdown_dynamic/readme/ROADMAP.rst b/web_widget_dropdown_dynamic/readme/ROADMAP.rst
deleted file mode 100644
index 7186b62cf..000000000
--- a/web_widget_dropdown_dynamic/readme/ROADMAP.rst
+++ /dev/null
@@ -1 +0,0 @@
- * In v13, ``$.when`` is going to become `Promise.resolve`
diff --git a/web_widget_dropdown_dynamic/static/src/js/basic_model.js b/web_widget_dropdown_dynamic/static/src/js/basic_model.js
index dbdfb4f23..f5b211e2c 100644
--- a/web_widget_dropdown_dynamic/static/src/js/basic_model.js
+++ b/web_widget_dropdown_dynamic/static/src/js/basic_model.js
@@ -1,5 +1,5 @@
 /*
- * Copyright 2019 Brainbean Apps (https://brainbeanapps.com)
+ * Copyright 2019-2020 Brainbean Apps (https://brainbeanapps.com)
  * License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
  */
 odoo.define("web_widget_dropdown_dynamic.basic_model", function(require) {
@@ -24,7 +24,7 @@ odoo.define("web_widget_dropdown_dynamic.basic_model", function(require) {
             var model = fieldInfo.options.model || record.model;
             var method = fieldInfo.values || fieldInfo.options.values;
             if (!method) {
-                return $.when();
+                return Promise.resolve();
             }
 
             var context = record.getContext({fieldName: fieldName});
@@ -34,7 +34,7 @@ odoo.define("web_widget_dropdown_dynamic.basic_model", function(require) {
                 context: context,
             });
             if (!hasChanged) {
-                return $.when();
+                return Promise.resolve();
             }
 
             return this._rpc({
diff --git a/web_widget_dropdown_dynamic/static/tests/web_widget_dropdown_dynamic_tests.js b/web_widget_dropdown_dynamic/static/tests/web_widget_dropdown_dynamic_tests.js
index 615534d79..f51b619cd 100644
--- a/web_widget_dropdown_dynamic/static/tests/web_widget_dropdown_dynamic_tests.js
+++ b/web_widget_dropdown_dynamic/static/tests/web_widget_dropdown_dynamic_tests.js
@@ -29,7 +29,7 @@ odoo.define("web_widget_dropdown_dynamic.web_widget_dropdown_dynamic_tests", fun
                     "</form>",
                 mockRPC: function(route, args) {
                     if (args.method === "_get_test_field_values") {
-                        return $.when([["value", "Title"]]);
+                        return Promise.resolve([["value", "Title"]]);
                     }
                     return this._super.apply(this, arguments);
                 },
@@ -61,7 +61,7 @@ odoo.define("web_widget_dropdown_dynamic.web_widget_dropdown_dynamic_tests", fun
                     "</form>",
                 mockRPC: function(route, args) {
                     if (args.method === "_get_test_field_values") {
-                        return $.when([[0, "Title"]]);
+                        return Promise.resolve([[0, "Title"]]);
                     }
                     return this._super.apply(this, arguments);
                 },
@@ -95,7 +95,7 @@ odoo.define("web_widget_dropdown_dynamic.web_widget_dropdown_dynamic_tests", fun
                     "</form>",
                 mockRPC: function(route, args) {
                     if (args.method === "_get_test_field_values") {
-                        return $.when([["value", "Title"]]);
+                        return Promise.resolve([["value", "Title"]]);
                     }
                     return this._super.apply(this, arguments);
                 },
@@ -130,14 +130,14 @@ odoo.define("web_widget_dropdown_dynamic.web_widget_dropdown_dynamic_tests", fun
                 mockRPC: function(route, args) {
                     if (args.method === "_get_test_field_values") {
                         if (args.kwargs.context.step === "step-1") {
-                            return $.when([["value", "Title"]]);
+                            return Promise.resolve([["value", "Title"]]);
                         } else if (args.kwargs.context.step === "step-2") {
-                            return $.when([
+                            return Promise.resolve([
                                 ["value", "Title"],
                                 ["value_2", "Title 2"],
                             ]);
                         }
-                        return $.when([]);
+                        return Promise.resolve([]);
                     }
                     return this._super.apply(this, arguments);
                 },