diff --git a/README.md b/README.md
index 2038cf9..4f24d79 100644
--- a/README.md
+++ b/README.md
@@ -118,7 +118,7 @@ For JSPM users:
         "importHelpers": true,
         "baseUrl": "./",
         "paths": {
-            "tslib" : ["jspm_packages/npm/tslib@1.13.0/tslib.d.ts"]
+            "tslib" : ["jspm_packages/npm/tslib@2.0.0/tslib.d.ts"]
         }
     }
 }
diff --git a/bower.json b/bower.json
index dd46530..0486279 100644
--- a/bower.json
+++ b/bower.json
@@ -4,7 +4,7 @@
     "Microsoft Corp."
   ],
   "homepage": "http://typescriptlang.org/",
-  "version": "1.13.0",
+  "version": "2.0.0",
   "license": "0BSD",
   "description": "Runtime library for TypeScript helper functions",
   "keywords": [
diff --git a/package.json b/package.json
index 72a6455..76d8726 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
     "name": "tslib",
     "author": "Microsoft Corp.",
     "homepage": "https://www.typescriptlang.org/",
-    "version": "1.13.0",
+    "version": "2.0.0",
     "license": "0BSD",
     "description": "Runtime library for TypeScript helper functions",
     "keywords": [
diff --git a/tslib.d.ts b/tslib.d.ts
index 0756b28..57ad995 100644
--- a/tslib.d.ts
+++ b/tslib.d.ts
@@ -34,4 +34,4 @@ export declare function __importStar<T>(mod: T): T;
 export declare function __importDefault<T>(mod: T): T | { default: T };
 export declare function __classPrivateFieldGet<T extends object, V>(receiver: T, privateMap: { has(o: T): boolean, get(o: T): V | undefined }): V;
 export declare function __classPrivateFieldSet<T extends object, V>(receiver: T, privateMap: { has(o: T): boolean, set(o: T, value: V): any }, value: V): V;
-export declare function __createBinding(object: object, target: object, key: PropertyKey, objectKey?: PropertyKey): void;
\ No newline at end of file
+export declare function __createBinding(object: object, target: object, key: PropertyKey, objectKey?: PropertyKey): void;
diff --git a/tslib.es6.js b/tslib.es6.js
index 0e0d8d0..2c2ddf5 100644
--- a/tslib.es6.js
+++ b/tslib.es6.js
@@ -103,13 +103,16 @@ export function __generator(thisArg, body) {
     }
 }
 
-export function __createBinding(o, m, k, k2) {
+export var __createBinding = Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
+}) : (function(o, m, k, k2) {
     if (k2 === undefined) k2 = k;
     o[k2] = m[k];
-}
+});
 
 export function __exportStar(m, exports) {
-    for (var p in m) if (p !== "default" && !exports.hasOwnProperty(p)) exports[p] = m[p];
+    for (var p in m) if (p !== "default" && !exports.hasOwnProperty(p)) __createBinding(exports, m, p);
 }
 
 export function __values(o) {
@@ -190,11 +193,17 @@ export function __makeTemplateObject(cooked, raw) {
     return cooked;
 };
 
+var __setModuleDefault = Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+};
+
 export function __importStar(mod) {
     if (mod && mod.__esModule) return mod;
     var result = {};
-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
-    result.default = mod;
+    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
     return result;
 }
 
diff --git a/tslib.js b/tslib.js
index e5b7c9b..50dc71c 100644
--- a/tslib.js
+++ b/tslib.js
@@ -12,7 +12,6 @@ LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
 OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 PERFORMANCE OF THIS SOFTWARE.
 ***************************************************************************** */
-
 /* global global, define, System, Reflect, Promise */
 var __extends;
 var __assign;
@@ -144,14 +143,17 @@ var __createBinding;
         }
     };
 
-    __createBinding = function(o, m, k, k2) {
-        if (k2 === undefined) k2 = k;
-        o[k2] = m[k];
+    __exportStar = function(m, exports) {
+        for (var p in m) if (p !== "default" && !exports.hasOwnProperty(p)) __createBinding(exports, m, p);
     };
 
-    __exportStar = function (m, exports) {
-        for (var p in m) if (p !== "default" && !exports.hasOwnProperty(p)) exports[p] = m[p];
-    };
+    __createBinding = Object.create ? (function(o, m, k, k2) {
+        if (k2 === undefined) k2 = k;
+        Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
+    }) : (function(o, m, k, k2) {
+        if (k2 === undefined) k2 = k;
+        o[k2] = m[k];
+    });
 
     __values = function (o) {
         var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
@@ -231,11 +233,17 @@ var __createBinding;
         return cooked;
     };
 
+    var __setModuleDefault = Object.create ? (function(o, v) {
+        Object.defineProperty(o, "default", { enumerable: true, value: v });
+    }) : function(o, v) {
+        o["default"] = v;
+    };
+
     __importStar = function (mod) {
         if (mod && mod.__esModule) return mod;
         var result = {};
-        if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
-        result["default"] = mod;
+        if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+        __setModuleDefault(result, mod);
         return result;
     };