diff --git a/dist/abort-controller.js b/dist/abort-controller.js
index cae1ab3..49af739 100644
--- a/dist/abort-controller.js
+++ b/dist/abort-controller.js
@@ -117,9 +117,9 @@ if (typeof Symbol === "function" && typeof Symbol.toStringTag === "symbol") {
     });
 }
 
-exports.default = AbortController;
 exports.AbortController = AbortController;
 exports.AbortSignal = AbortSignal;
+exports.default = AbortController;
 
 module.exports = AbortController
 module.exports.AbortController = module.exports["default"] = AbortController
diff --git a/dist/abort-controller.umd.js b/dist/abort-controller.umd.js
index 28f1554..f643cfd 100644
--- a/dist/abort-controller.umd.js
+++ b/dist/abort-controller.umd.js
@@ -1,5 +1,5 @@
 /**
  * @author Toru Nagashima <https://github.com/mysticatea>
  * See LICENSE file in root directory for full license.
- */(function(a,b){"object"==typeof exports&&"undefined"!=typeof module?b(exports):"function"==typeof define&&define.amd?define(["exports"],b):(a=a||self,b(a.AbortControllerShim={}))})(this,function(a){'use strict';function b(a){return b="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},b(a)}function c(a,b){if(!(a instanceof b))throw new TypeError("Cannot call a class as a function")}function d(a,b){for(var c,d=0;d<b.length;d++)c=b[d],c.enumerable=c.enumerable||!1,c.configurable=!0,"value"in c&&(c.writable=!0),Object.defineProperty(a,c.key,c)}function e(a,b,c){return b&&d(a.prototype,b),c&&d(a,c),a}function f(a,b){if("function"!=typeof b&&null!==b)throw new TypeError("Super expression must either be null or a function");a.prototype=Object.create(b&&b.prototype,{constructor:{value:a,writable:!0,configurable:!0}}),b&&h(a,b)}function g(a){return g=Object.setPrototypeOf?Object.getPrototypeOf:function(a){return a.__proto__||Object.getPrototypeOf(a)},g(a)}function h(a,b){return h=Object.setPrototypeOf||function(a,b){return a.__proto__=b,a},h(a,b)}function i(a){if(void 0===a)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return a}function j(a,b){return b&&("object"==typeof b||"function"==typeof b)?b:i(a)}function k(a){var b=F.get(a);return console.assert(null!=b,"'this' is expected an Event object, but got",a),b}function l(a){return null==a.passiveListener?void(!a.event.cancelable||(a.canceled=!0,"function"==typeof a.event.preventDefault&&a.event.preventDefault())):void("undefined"!=typeof console&&"function"==typeof console.error&&console.error("Unable to preventDefault inside passive event listener invocation.",a.passiveListener))}function m(a,b){F.set(this,{eventTarget:a,event:b,eventPhase:2,currentTarget:a,canceled:!1,stopped:!1,immediateStopped:!1,passiveListener:null,timeStamp:b.timeStamp||Date.now()}),Object.defineProperty(this,"isTrusted",{value:!1,enumerable:!0});for(var c,d=Object.keys(b),e=0;e<d.length;++e)c=d[e],c in this||Object.defineProperty(this,c,n(c))}function n(a){return{get:function(){return k(this).event[a]},set:function(b){k(this).event[a]=b},configurable:!0,enumerable:!0}}function o(a){return{value:function(){var b=k(this).event;return b[a].apply(b,arguments)},configurable:!0,enumerable:!0}}function p(a,b){function c(b,c){a.call(this,b,c)}var d=Object.keys(b);if(0===d.length)return a;c.prototype=Object.create(a.prototype,{constructor:{value:c,configurable:!0,writable:!0}});for(var e,f=0;f<d.length;++f)if(e=d[f],!(e in a.prototype)){var g=Object.getOwnPropertyDescriptor(b,e),h="function"==typeof g.value;Object.defineProperty(c.prototype,e,h?o(e):n(e))}return c}function 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f={listener:b,listenerType:3,passive:!1,once:!1,next:null};null===d?c.set(a,f):d.next=f}},configurable:!0,enumerable:!0}}function z(a,b){Object.defineProperty(a,"on".concat(b),y(b))}function A(a){function b(){B.call(this)}b.prototype=Object.create(B.prototype,{constructor:{value:b,configurable:!0,writable:!0}});for(var c=0;c<a.length;++c)z(b.prototype,a[c]);return b}function B(){if(this instanceof B)return void H.set(this,new Map);if(1===arguments.length&&Array.isArray(arguments[0]))return A(arguments[0]);if(0<arguments.length){for(var a=Array(arguments.length),b=0;b<arguments.length;++b)a[b]=arguments[b];return A(a)}throw new TypeError("Cannot call a class as a function")}function C(){var a=Object.create(K.prototype);return B.call(a),L.set(a,!1),a}function D(a){!1!==L.get(a)||(L.set(a,!0),a.dispatchEvent({type:"abort"}))}function E(a){var c=N.get(a);if(null==c)throw new TypeError("Expected 'this' to be an 'AbortController' object, but got ".concat(null===a?"null":b(a)));return c}var 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j=null;null!=i;){if(i.listener===b&&i.listenerType===g)return;j=i,i=i.next}j.next=h}},removeEventListener:function(a,b,c){if(null!=b)for(var d=x(this),e=w(c)?!!c.capture:!!c,f=e?I:J,g=null,h=d.get(a);null!=h;){if(h.listener===b&&h.listenerType===f)return void(null===g?null===h.next?d.delete(a):d.set(a,h.next):g.next=h.next);g=h,h=h.next}},dispatchEvent:function(a){if(null==a||"string"!=typeof a.type)throw new TypeError("\"event.type\" should be a string.");var b=x(this),c=a.type,d=b.get(c);if(null==d)return!0;for(var e=r(this,a),f=null;null!=d;){if(d.once?null===f?null===d.next?b.delete(c):b.set(c,d.next):f.next=d.next:f=d,v(e,d.passive?d.listener:null),"function"==typeof d.listener)try{d.listener.call(this,e)}catch(a){"undefined"!=typeof console&&"function"==typeof console.error&&console.error(a)}else d.listenerType!==3&&"function"==typeof d.listener.handleEvent&&d.listener.handleEvent(e);if(s(e))break;d=d.next}return v(e,null),t(e,0),u(e,null),!e.defaultPrevented}},Object.defineProperty(B.prototype,"constructor",{value:B,configurable:!0,writable:!0}),"undefined"!=typeof window&&"undefined"!=typeof window.EventTarget&&Object.setPrototypeOf(B.prototype,window.EventTarget.prototype);var K=function(a){function d(){var a;throw c(this,d),a=j(this,g(d).call(this)),new TypeError("AbortSignal cannot be constructed directly")}return f(d,a),e(d,[{key:"aborted",get:function(){var a=L.get(this);if("boolean"!=typeof a)throw new TypeError("Expected 'this' to be an 'AbortSignal' object, but got ".concat(null===this?"null":b(this)));return a}}]),d}(B);z(K.prototype,"abort");var L=new WeakMap;Object.defineProperties(K.prototype,{aborted:{enumerable:!0}}),"function"==typeof Symbol&&"symbol"===b(Symbol.toStringTag)&&Object.defineProperty(K.prototype,Symbol.toStringTag,{configurable:!0,value:"AbortSignal"});var M=function(){function a(){c(this,a),N.set(this,C())}return e(a,[{key:"abort",value:function(){D(E(this))}},{key:"signal",get:function(){return E(this)}}]),a}(),N=new WeakMap;if(Object.defineProperties(M.prototype,{signal:{enumerable:!0},abort:{enumerable:!0}}),"function"==typeof Symbol&&"symbol"===b(Symbol.toStringTag)&&Object.defineProperty(M.prototype,Symbol.toStringTag,{configurable:!0,value:"AbortController"}),a.default=M,a.AbortController=M,a.AbortSignal=K,Object.defineProperty(a,"__esModule",{value:!0}),"undefined"==typeof module&&"undefined"==typeof define){var O=Function("return this")();"undefined"==typeof O.AbortController&&(O.AbortController=M,O.AbortSignal=K)}});
+ */(function(a,b){"object"==typeof exports&&"undefined"!=typeof module?b(exports):"function"==typeof define&&define.amd?define(["exports"],b):(a=a||self,b(a.AbortControllerShim={}))})(this,function(a){'use strict';function b(a){return b="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol&&a!==Symbol.prototype?"symbol":typeof a},b(a)}function c(a,b){if(!(a instanceof b))throw new TypeError("Cannot call a class as a function")}function d(a,b){for(var c,d=0;d<b.length;d++)c=b[d],c.enumerable=c.enumerable||!1,c.configurable=!0,"value"in c&&(c.writable=!0),Object.defineProperty(a,c.key,c)}function e(a,b,c){return b&&d(a.prototype,b),c&&d(a,c),a}function f(a,b){if("function"!=typeof b&&null!==b)throw new TypeError("Super expression must either be null or a function");a.prototype=Object.create(b&&b.prototype,{constructor:{value:a,writable:!0,configurable:!0}}),b&&h(a,b)}function g(a){return g=Object.setPrototypeOf?Object.getPrototypeOf:function(a){return a.__proto__||Object.getPrototypeOf(a)},g(a)}function h(a,b){return h=Object.setPrototypeOf||function(a,b){return a.__proto__=b,a},h(a,b)}function i(a){if(void 0===a)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return a}function j(a,b){return b&&("object"==typeof b||"function"==typeof b)?b:i(a)}function k(a){var b=F.get(a);return console.assert(null!=b,"'this' is expected an Event object, but got",a),b}function l(a){return null==a.passiveListener?void(!a.event.cancelable||(a.canceled=!0,"function"==typeof a.event.preventDefault&&a.event.preventDefault())):void("undefined"!=typeof console&&"function"==typeof console.error&&console.error("Unable to preventDefault inside passive event listener invocation.",a.passiveListener))}function 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q(a){if(null==a||a===Object.prototype)return m;var b=G.get(a);return null==b&&(b=p(q(Object.getPrototypeOf(a)),a),G.set(a,b)),b}function r(a,b){var c=q(Object.getPrototypeOf(b));return new c(a,b)}function s(a){return k(a).immediateStopped}function t(a,b){k(a).eventPhase=b}function u(a,b){k(a).currentTarget=b}function v(a,b){k(a).passiveListener=b}function w(a){return null!==a&&"object"===b(a)}function x(a){var b=H.get(a);if(null==b)throw new TypeError("'this' is expected an EventTarget object, but got another value.");return b}function y(a){return{get:function(){for(var b=x(this),c=b.get(a);null!=c;){if(3===c.listenerType)return c.listener;c=c.next}return null},set:function(b){"function"==typeof b||w(b)||(b=null);for(var c=x(this),d=null,e=c.get(a);null!=e;)3===e.listenerType?null===d?null===e.next?c.delete(a):c.set(a,e.next):d.next=e.next:d=e,e=e.next;if(null!==b){var f={listener:b,listenerType:3,passive:!1,once:!1,next:null};null===d?c.set(a,f):d.next=f}},configurable:!0,enumerable:!0}}function z(a,b){Object.defineProperty(a,"on".concat(b),y(b))}function A(a){function b(){B.call(this)}b.prototype=Object.create(B.prototype,{constructor:{value:b,configurable:!0,writable:!0}});for(var c=0;c<a.length;++c)z(b.prototype,a[c]);return b}function B(){if(this instanceof B)return void H.set(this,new Map);if(1===arguments.length&&Array.isArray(arguments[0]))return A(arguments[0]);if(0<arguments.length){for(var a=Array(arguments.length),b=0;b<arguments.length;++b)a[b]=arguments[b];return A(a)}throw new TypeError("Cannot call a class as a function")}function C(){var a=Object.create(K.prototype);return B.call(a),L.set(a,!1),a}function D(a){!1!==L.get(a)||(L.set(a,!0),a.dispatchEvent({type:"abort"}))}function E(a){var c=N.get(a);if(null==c)throw new TypeError("Expected 'this' to be an 'AbortController' object, but got ".concat(null===a?"null":b(a)));return c}var F=new WeakMap,G=new WeakMap;m.prototype={get type(){return k(this).event.type},get target(){return k(this).eventTarget},get currentTarget(){return k(this).currentTarget},composedPath:function(){var a=k(this).currentTarget;return null==a?[]:[a]},get NONE(){return 0},get CAPTURING_PHASE(){return 1},get AT_TARGET(){return 2},get BUBBLING_PHASE(){return 3},get eventPhase(){return k(this).eventPhase},stopPropagation:function(){var a=k(this);a.stopped=!0,"function"==typeof a.event.stopPropagation&&a.event.stopPropagation()},stopImmediatePropagation:function(){var a=k(this);a.stopped=!0,a.immediateStopped=!0,"function"==typeof a.event.stopImmediatePropagation&&a.event.stopImmediatePropagation()},get bubbles(){return!!k(this).event.bubbles},get cancelable(){return!!k(this).event.cancelable},preventDefault:function(){l(k(this))},get defaultPrevented(){return k(this).canceled},get composed(){return!!k(this).event.composed},get timeStamp(){return k(this).timeStamp},get srcElement(){return 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j=null;null!=i;){if(i.listener===b&&i.listenerType===g)return;j=i,i=i.next}j.next=h}},removeEventListener:function(a,b,c){if(null!=b)for(var d=x(this),e=w(c)?!!c.capture:!!c,f=e?I:J,g=null,h=d.get(a);null!=h;){if(h.listener===b&&h.listenerType===f)return void(null===g?null===h.next?d.delete(a):d.set(a,h.next):g.next=h.next);g=h,h=h.next}},dispatchEvent:function(a){if(null==a||"string"!=typeof a.type)throw new TypeError("\"event.type\" should be a string.");var b=x(this),c=a.type,d=b.get(c);if(null==d)return!0;for(var e=r(this,a),f=null;null!=d;){if(d.once?null===f?null===d.next?b.delete(c):b.set(c,d.next):f.next=d.next:f=d,v(e,d.passive?d.listener:null),"function"==typeof d.listener)try{d.listener.call(this,e)}catch(a){"undefined"!=typeof console&&"function"==typeof console.error&&console.error(a)}else d.listenerType!==3&&"function"==typeof d.listener.handleEvent&&d.listener.handleEvent(e);if(s(e))break;d=d.next}return v(e,null),t(e,0),u(e,null),!e.defaultPrevented}},Object.defineProperty(B.prototype,"constructor",{value:B,configurable:!0,writable:!0}),"undefined"!=typeof window&&"undefined"!=typeof window.EventTarget&&Object.setPrototypeOf(B.prototype,window.EventTarget.prototype);var K=function(a){function d(){var a;throw c(this,d),a=j(this,g(d).call(this)),new TypeError("AbortSignal cannot be constructed directly")}return f(d,a),e(d,[{key:"aborted",get:function(){var a=L.get(this);if("boolean"!=typeof a)throw new TypeError("Expected 'this' to be an 'AbortSignal' object, but got ".concat(null===this?"null":b(this)));return a}}]),d}(B);z(K.prototype,"abort");var L=new WeakMap;Object.defineProperties(K.prototype,{aborted:{enumerable:!0}}),"function"==typeof Symbol&&"symbol"===b(Symbol.toStringTag)&&Object.defineProperty(K.prototype,Symbol.toStringTag,{configurable:!0,value:"AbortSignal"});var M=function(){function a(){c(this,a),N.set(this,C())}return e(a,[{key:"abort",value:function(){D(E(this))}},{key:"signal",get:function(){return E(this)}}]),a}(),N=new WeakMap;if(Object.defineProperties(M.prototype,{signal:{enumerable:!0},abort:{enumerable:!0}}),"function"==typeof Symbol&&"symbol"===b(Symbol.toStringTag)&&Object.defineProperty(M.prototype,Symbol.toStringTag,{configurable:!0,value:"AbortController"}),a.AbortController=M,a.AbortSignal=K,a.default=M,Object.defineProperty(a,"__esModule",{value:!0}),"undefined"==typeof module&&"undefined"==typeof define){var O=Function("return this")();"undefined"==typeof O.AbortController&&(O.AbortController=M,O.AbortSignal=K)}});
 //# sourceMappingURL=abort-controller.umd.js.map
diff --git a/package.json b/package.json
index 32498fc..fc705e0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "abort-controller",
-  "version": "2.0.3",
+  "version": "3.0.0",
   "description": "An implementation of WHATWG AbortController interface.",
   "main": "dist/abort-controller",
   "files": [