diff --git a/.eslintrc b/.eslintrc
index d17a8d5..e69f080 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -10,9 +10,13 @@
 		"max-statements": 0,
 		"new-cap": [2, {
 			"capIsNewExceptions": [
+				"AddEntriesFromIterable",
 				"ArrayFrom",
 				"Call",
 				"CreateIterResultObject",
+				"CreateMethodProperty",
+				"DefinePropertyOrThrow",
+				"Get",
 				"GetIntrinsic",
 				"GetIterator",
 				"HasOwnProperty",
diff --git a/implementation.js b/implementation.js
index 46a1720..636f09a 100644
--- a/implementation.js
+++ b/implementation.js
@@ -4,8 +4,8 @@ var define = require('define-properties');
 var callBound = require('call-bind/callBound');
 var GetIntrinsic = require('get-intrinsic');
 var SLOT = require('internal-slot');
-var SameValue = require('es-abstract/2020/SameValue');
-var SameValueZero = require('es-abstract/2020/SameValueZero');
+var SameValue = require('es-abstract/2021/SameValue');
+var SameValueZero = require('es-abstract/2021/SameValueZero');
 
 var MapEntry = require('./lib/map-entry');
 var MapIterator = require('./lib/map-iterator');
diff --git a/lib/helpers.js b/lib/helpers.js
index f7eca3e..e0eab36 100644
--- a/lib/helpers.js
+++ b/lib/helpers.js
@@ -1,13 +1,13 @@
 'use strict';
 
-var define = require('define-properties');
 var hasSymbols = require('has-symbols')();
 var GetIntrinsic = require('get-intrinsic');
 var SLOT = require('internal-slot');
 var entries = require('object.entries');
 var forEach = require('foreach');
-var OrdinaryObjectCreate = require('es-abstract/2020/OrdinaryObjectCreate');
-var Type = require('es-abstract/2020/Type');
+var CreateMethodProperty = require('es-abstract/2021/CreateMethodProperty');
+var OrdinaryObjectCreate = require('es-abstract/2021/OrdinaryObjectCreate');
+var Type = require('es-abstract/2021/Type');
 
 var $ObjectCreate = GetIntrinsic('%Object.create%', true);
 
@@ -79,19 +79,9 @@ exports.addIterator = function (prototype, impl) {
 		// eslint-disable-next-line no-invalid-this
 		return this;
 	};
-	if (define.supportsDescriptors) {
-		Object.defineProperty(prototype, $iterator$, {
-			configurable: true,
-			enumerable: false,
-			value: implementation,
-			writable: true
-		});
-		if (!prototype[$iterator$] && Type($iterator$) === 'Symbol') {
-			// implementations are buggy when $iterator$ is a Symbol
-			// eslint-disable-next-line no-param-reassign
-			prototype[$iterator$] = implementation;
-		}
-	} else {
+	CreateMethodProperty(prototype, $iterator$, implementation);
+	if (!prototype[$iterator$] && Type($iterator$) === 'Symbol') {
+		// implementations are buggy when $iterator$ is a Symbol
 		// eslint-disable-next-line no-param-reassign
 		prototype[$iterator$] = implementation;
 	}
diff --git a/lib/map-helpers.js b/lib/map-helpers.js
index 73715af..81aab69 100644
--- a/lib/map-helpers.js
+++ b/lib/map-helpers.js
@@ -1,12 +1,12 @@
 'use strict';
 
-var ToString = require('es-abstract/2020/ToString');
-var Type = require('es-abstract/2020/Type');
-var IsArray = require('es-abstract/2020/IsArray');
-var IsCallable = require('es-abstract/2020/IsCallable');
-var IteratorStep = require('es-abstract/2020/IteratorStep');
-var IteratorClose = require('es-abstract/2020/IteratorClose');
-var Call = require('es-abstract/2020/Call');
+var Call = require('es-abstract/2021/Call');
+var IsArray = require('es-abstract/2021/IsArray');
+var IsCallable = require('es-abstract/2021/IsCallable');
+var IteratorClose = require('es-abstract/2021/IteratorClose');
+var IteratorStep = require('es-abstract/2021/IteratorStep');
+var ToString = require('es-abstract/2021/ToString');
+var Type = require('es-abstract/2021/Type');
 var GetIterator = require('es-get-iterator');
 
 var MapIterator = require('./map-iterator');
diff --git a/lib/map-iterator.js b/lib/map-iterator.js
index 4949fcf..0dc5fed 100644
--- a/lib/map-iterator.js
+++ b/lib/map-iterator.js
@@ -1,12 +1,13 @@
 'use strict';
 
-var define = require('define-properties');
 var hasSymbols = require('has-symbols')();
 var SLOT = require('internal-slot');
 
 var GetIntrinsic = require('get-intrinsic');
-var CreateIterResultObject = require('es-abstract/2020/CreateIterResultObject');
-var OrdinaryObjectCreate = require('es-abstract/2020/OrdinaryObjectCreate');
+var CreateIterResultObject = require('es-abstract/2021/CreateIterResultObject');
+var CreateMethodProperty = require('es-abstract/2021/CreateMethodProperty');
+var DefinePropertyOrThrow = require('es-abstract/2021/DefinePropertyOrThrow');
+var OrdinaryObjectCreate = require('es-abstract/2021/OrdinaryObjectCreate');
 
 var requireMapSlot = require('./validation').requireMapSlot;
 var addIterator = require('./helpers').addIterator;
@@ -28,8 +29,11 @@ if (IteratorPrototype) {
 }
 addIterator(MapIterator.prototype);
 
-define(MapIterator.prototype, {
-	next: function next() {
+CreateMethodProperty(
+	MapIterator.prototype,
+	'next',
+	function next() {
+		/* eslint no-invalid-this: 0 */
 		if (!SLOT.has(this, '[[isMapIterator]]')) {
 			throw new TypeError('Not a MapIterator');
 		}
@@ -63,14 +67,14 @@ define(MapIterator.prototype, {
 		SLOT.set(this, '[[i]]', void undefined);
 		return CreateIterResultObject(void undefined, true);
 	}
-});
+);
 
 if (hasSymbols && Symbol.toStringTag) {
-	Object.defineProperty(MapIterator.prototype, Symbol.toStringTag, {
-		configurable: true,
-		enumerable: false,
-		value: 'Map Iterator',
-		writable: false
+	DefinePropertyOrThrow(MapIterator.prototype, Symbol.toStringTag, {
+		'[[Configurable]]': true,
+		'[[Enumerable]]': false,
+		'[[Value]]': 'Map Iterator',
+		'[[Writable]]': false
 	});
 }
 
diff --git a/lib/validation.js b/lib/validation.js
index bc5e2bb..be78567 100644
--- a/lib/validation.js
+++ b/lib/validation.js
@@ -1,8 +1,8 @@
 'use strict';
 
 var SLOT = require('internal-slot');
-var ToString = require('es-abstract/2020/ToString');
-var Type = require('es-abstract/2020/Type');
+var ToString = require('es-abstract/2021/ToString');
+var Type = require('es-abstract/2021/Type');
 
 var isMap = function isMap(map) {
 	return SLOT.has(map, '[[es6map]]');
diff --git a/package.json b/package.json
index 6e839af..3042944 100644
--- a/package.json
+++ b/package.json
@@ -66,16 +66,16 @@
     "tape": "^5.3.1"
   },
   "dependencies": {
-    "call-bind": "^1.0.0",
+    "call-bind": "^1.0.2",
     "define-properties": "^1.1.3",
-    "es-abstract": "^1.18.0-next.1",
-    "es-get-iterator": "^1.1.1",
+    "es-abstract": "^1.19.1",
+    "es-get-iterator": "^1.1.2",
     "for-each": "^0.3.3",
-    "get-intrinsic": "^1.0.2",
-    "globalthis": "^1.0.1",
-    "has-symbols": "^1.0.1",
-    "internal-slot": "^1.0.2",
-    "object.entries": "^1.1.3"
+    "get-intrinsic": "^1.1.1",
+    "globalthis": "^1.0.2",
+    "has-symbols": "^1.0.2",
+    "internal-slot": "^1.0.3",
+    "object.entries": "^1.1.5"
   },
   "auto-changelog": {
     "output": "CHANGELOG.md",
diff --git a/shim.js b/shim.js
index 4b194d0..7aa9ea9 100644
--- a/shim.js
+++ b/shim.js
@@ -7,8 +7,8 @@ var getPolyfill = require('./polyfill');
 var support = require('./lib/support');
 var addIterableToMap = require('./lib/map-helpers').addIterableToMap;
 
-var OrdinarySetPrototypeOf = require('es-abstract/2020/OrdinarySetPrototypeOf');
-var Call = require('es-abstract/2020/Call');
+var OrdinarySetPrototypeOf = require('es-abstract/2021/OrdinarySetPrototypeOf');
+var Call = require('es-abstract/2021/Call');
 
 var force = function () {
 	return true;
diff --git a/test/tests.js b/test/tests.js
index 77c7b80..4982ecb 100644
--- a/test/tests.js
+++ b/test/tests.js
@@ -1,11 +1,11 @@
 'use strict';
 
-var HasOwnProperty = require('es-abstract/2020/HasOwnProperty');
+var HasOwnProperty = require('es-abstract/2021/HasOwnProperty');
 var isEnumerable = Object.prototype.propertyIsEnumerable;
 var functionsHaveNames = require('functions-have-names')();
 var define = require('define-properties');
 var hasSymbols = require('has-symbols')();
-var ArrayFrom = require('array.from').implementation;
+var ArrayFrom = require('array.from/implementation');
 
 // eslint-disable-next-line max-params
 var testMapping = function testMapping(t, map, key, value, desc) {