diff --git a/public/docs/_examples/architecture/dart/pubspec.yaml b/public/docs/_examples/architecture/dart/pubspec.yaml
index 4da6837c0b..84d0121f5f 100644
--- a/public/docs/_examples/architecture/dart/pubspec.yaml
+++ b/public/docs/_examples/architecture/dart/pubspec.yaml
@@ -5,7 +5,7 @@ version: 0.0.1
 environment:
   sdk: '>=1.13.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.18
+  angular2: 2.0.0-beta.20
   browser: ^0.10.0
   dart_to_js_script_rewriter: ^1.0.1
 transformers:
diff --git a/public/docs/_examples/attribute-directives/dart/pubspec.yaml b/public/docs/_examples/attribute-directives/dart/pubspec.yaml
index 2afe4114d8..6cfb11ee2d 100644
--- a/public/docs/_examples/attribute-directives/dart/pubspec.yaml
+++ b/public/docs/_examples/attribute-directives/dart/pubspec.yaml
@@ -5,7 +5,7 @@ version: 0.0.1
 environment:
   sdk: '>=1.13.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.18
+  angular2: 2.0.0-beta.20
   browser: ^0.10.0
   dart_to_js_script_rewriter: ^1.0.1
 transformers:
diff --git a/public/docs/_examples/component-styles/dart/pubspec.yaml b/public/docs/_examples/component-styles/dart/pubspec.yaml
index 731e9e5d8e..0bdc04cb83 100755
--- a/public/docs/_examples/component-styles/dart/pubspec.yaml
+++ b/public/docs/_examples/component-styles/dart/pubspec.yaml
@@ -5,7 +5,7 @@ version: 0.0.1
 environment:
   sdk: '>=1.13.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.18
+  angular2: 2.0.0-beta.20
   browser: ^0.10.0
   dart_to_js_script_rewriter: ^1.0.1
 transformers:
diff --git a/public/docs/_examples/dependency-injection/dart/pubspec.yaml b/public/docs/_examples/dependency-injection/dart/pubspec.yaml
index b3b5a1cb42..0ef93066be 100644
--- a/public/docs/_examples/dependency-injection/dart/pubspec.yaml
+++ b/public/docs/_examples/dependency-injection/dart/pubspec.yaml
@@ -5,7 +5,7 @@ version: 0.0.1
 environment:
   sdk: '>=1.13.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.18
+  angular2: 2.0.0-beta.20
   browser: ^0.10.0
   dart_to_js_script_rewriter: ^1.0.1
 transformers:
diff --git a/public/docs/_examples/displaying-data/dart/pubspec.yaml b/public/docs/_examples/displaying-data/dart/pubspec.yaml
index 8c57ff7300..c5ef73f402 100644
--- a/public/docs/_examples/displaying-data/dart/pubspec.yaml
+++ b/public/docs/_examples/displaying-data/dart/pubspec.yaml
@@ -5,7 +5,7 @@ version: 0.0.1
 environment:
   sdk: '>=1.13.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.18
+  angular2: 2.0.0-beta.20
   browser: ^0.10.0
   dart_to_js_script_rewriter: ^1.0.1
 transformers:
diff --git a/public/docs/_examples/forms/dart/pubspec.yaml b/public/docs/_examples/forms/dart/pubspec.yaml
index 89b203abf0..51664a3cd5 100644
--- a/public/docs/_examples/forms/dart/pubspec.yaml
+++ b/public/docs/_examples/forms/dart/pubspec.yaml
@@ -5,7 +5,7 @@ version: 0.0.1
 environment:
   sdk: '>=1.13.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.18
+  angular2: 2.0.0-beta.20
   browser: ^0.10.0
   dart_to_js_script_rewriter: ^1.0.1
 transformers:
diff --git a/public/docs/_examples/hierarchical-dependency-injection/dart/pubspec.yaml b/public/docs/_examples/hierarchical-dependency-injection/dart/pubspec.yaml
index d81a211702..9575041134 100644
--- a/public/docs/_examples/hierarchical-dependency-injection/dart/pubspec.yaml
+++ b/public/docs/_examples/hierarchical-dependency-injection/dart/pubspec.yaml
@@ -5,7 +5,7 @@ version: 0.0.1
 environment:
   sdk: '>=1.13.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.18
+  angular2: 2.0.0-beta.20
   browser: ^0.10.0
   dart_to_js_script_rewriter: ^1.0.1
 transformers:
diff --git a/public/docs/_examples/lifecycle-hooks/dart/pubspec.yaml b/public/docs/_examples/lifecycle-hooks/dart/pubspec.yaml
index 0710ddbb86..3624f56e05 100644
--- a/public/docs/_examples/lifecycle-hooks/dart/pubspec.yaml
+++ b/public/docs/_examples/lifecycle-hooks/dart/pubspec.yaml
@@ -5,7 +5,7 @@ version: 0.0.1
 environment:
   sdk: '>=1.13.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.18
+  angular2: 2.0.0-beta.20
   browser: ^0.10.0
   dart_to_js_script_rewriter: ^1.0.1
 transformers:
diff --git a/public/docs/_examples/pipes/dart/pubspec.yaml b/public/docs/_examples/pipes/dart/pubspec.yaml
index 4afa2870c0..8edddf0efa 100644
--- a/public/docs/_examples/pipes/dart/pubspec.yaml
+++ b/public/docs/_examples/pipes/dart/pubspec.yaml
@@ -5,7 +5,7 @@ version: 0.0.1
 environment:
   sdk: '>=1.13.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.18
+  angular2: 2.0.0-beta.20
   browser: ^0.10.0
   dart_to_js_script_rewriter: ^1.0.1
 transformers:
diff --git a/public/docs/_examples/quickstart/dart/pubspec.yaml b/public/docs/_examples/quickstart/dart/pubspec.yaml
index 0c08200992..ec9d8d2f81 100644
--- a/public/docs/_examples/quickstart/dart/pubspec.yaml
+++ b/public/docs/_examples/quickstart/dart/pubspec.yaml
@@ -5,7 +5,7 @@ version: 0.0.1
 environment:
   sdk: '>=1.13.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.18
+  angular2: 2.0.0-beta.20
   browser: ^0.10.0
   dart_to_js_script_rewriter: ^1.0.1
 transformers:
diff --git a/public/docs/_examples/server-communication/dart/pubspec.yaml b/public/docs/_examples/server-communication/dart/pubspec.yaml
index 3d8e06cbe0..1d381b2288 100644
--- a/public/docs/_examples/server-communication/dart/pubspec.yaml
+++ b/public/docs/_examples/server-communication/dart/pubspec.yaml
@@ -5,7 +5,7 @@ version: 0.0.1
 environment:
   sdk: '>=1.13.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.18
+  angular2: 2.0.0-beta.20
   browser: ^0.10.0
   dart_to_js_script_rewriter: ^1.0.1
   http: ^0.11.3+3
diff --git a/public/docs/_examples/structural-directives/dart/pubspec.yaml b/public/docs/_examples/structural-directives/dart/pubspec.yaml
index daba4aa174..3a8e521ee9 100644
--- a/public/docs/_examples/structural-directives/dart/pubspec.yaml
+++ b/public/docs/_examples/structural-directives/dart/pubspec.yaml
@@ -5,7 +5,7 @@ version: 0.0.1
 environment:
   sdk: '>=1.13.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.18
+  angular2: 2.0.0-beta.20
   browser: ^0.10.0
   dart_to_js_script_rewriter: ^1.0.1
 transformers:
diff --git a/public/docs/_examples/template-syntax/dart/pubspec.yaml b/public/docs/_examples/template-syntax/dart/pubspec.yaml
index 92574e0a45..f27859910c 100644
--- a/public/docs/_examples/template-syntax/dart/pubspec.yaml
+++ b/public/docs/_examples/template-syntax/dart/pubspec.yaml
@@ -5,7 +5,7 @@ version: 0.0.1
 environment:
   sdk: '>=1.13.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.18
+  angular2: 2.0.0-beta.20
   browser: ^0.10.0
   dart_to_js_script_rewriter: ^1.0.1
 transformers:
diff --git a/public/docs/_examples/toh-1/dart/pubspec.yaml b/public/docs/_examples/toh-1/dart/pubspec.yaml
index 9657ed659d..da508674f5 100644
--- a/public/docs/_examples/toh-1/dart/pubspec.yaml
+++ b/public/docs/_examples/toh-1/dart/pubspec.yaml
@@ -5,7 +5,7 @@ version: 0.0.1
 environment:
   sdk: '>=1.13.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.18
+  angular2: 2.0.0-beta.20
   browser: ^0.10.0
   dart_to_js_script_rewriter: ^1.0.1
 transformers:
diff --git a/public/docs/_examples/toh-2/dart/pubspec.yaml b/public/docs/_examples/toh-2/dart/pubspec.yaml
index 9657ed659d..da508674f5 100644
--- a/public/docs/_examples/toh-2/dart/pubspec.yaml
+++ b/public/docs/_examples/toh-2/dart/pubspec.yaml
@@ -5,7 +5,7 @@ version: 0.0.1
 environment:
   sdk: '>=1.13.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.18
+  angular2: 2.0.0-beta.20
   browser: ^0.10.0
   dart_to_js_script_rewriter: ^1.0.1
 transformers:
diff --git a/public/docs/_examples/toh-3/dart/pubspec.yaml b/public/docs/_examples/toh-3/dart/pubspec.yaml
index 9657ed659d..da508674f5 100644
--- a/public/docs/_examples/toh-3/dart/pubspec.yaml
+++ b/public/docs/_examples/toh-3/dart/pubspec.yaml
@@ -5,7 +5,7 @@ version: 0.0.1
 environment:
   sdk: '>=1.13.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.18
+  angular2: 2.0.0-beta.20
   browser: ^0.10.0
   dart_to_js_script_rewriter: ^1.0.1
 transformers:
diff --git a/public/docs/_examples/toh-4/dart/pubspec.yaml b/public/docs/_examples/toh-4/dart/pubspec.yaml
index 9657ed659d..da508674f5 100644
--- a/public/docs/_examples/toh-4/dart/pubspec.yaml
+++ b/public/docs/_examples/toh-4/dart/pubspec.yaml
@@ -5,7 +5,7 @@ version: 0.0.1
 environment:
   sdk: '>=1.13.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.18
+  angular2: 2.0.0-beta.20
   browser: ^0.10.0
   dart_to_js_script_rewriter: ^1.0.1
 transformers:
diff --git a/public/docs/_examples/toh-5/dart/pubspec.yaml b/public/docs/_examples/toh-5/dart/pubspec.yaml
index 9657ed659d..da508674f5 100644
--- a/public/docs/_examples/toh-5/dart/pubspec.yaml
+++ b/public/docs/_examples/toh-5/dart/pubspec.yaml
@@ -5,7 +5,7 @@ version: 0.0.1
 environment:
   sdk: '>=1.13.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.18
+  angular2: 2.0.0-beta.20
   browser: ^0.10.0
   dart_to_js_script_rewriter: ^1.0.1
 transformers:
diff --git a/public/docs/_examples/toh-6/dart/pubspec.yaml b/public/docs/_examples/toh-6/dart/pubspec.yaml
index cdb0ce29f1..6f07f46995 100644
--- a/public/docs/_examples/toh-6/dart/pubspec.yaml
+++ b/public/docs/_examples/toh-6/dart/pubspec.yaml
@@ -7,7 +7,7 @@ environment:
   sdk: '>=1.13.0 <2.0.0'
   # #docregion additions
 dependencies:
-  angular2: 2.0.0-beta.18
+  angular2: 2.0.0-beta.20
   # #enddocregion additions
   browser: ^0.10.0
   dart_to_js_script_rewriter: ^1.0.1
diff --git a/public/docs/_examples/user-input/dart/pubspec.yaml b/public/docs/_examples/user-input/dart/pubspec.yaml
index fa28056488..c56f2d27a4 100644
--- a/public/docs/_examples/user-input/dart/pubspec.yaml
+++ b/public/docs/_examples/user-input/dart/pubspec.yaml
@@ -5,7 +5,7 @@ version: 0.0.1
 environment:
   sdk: '>=1.13.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.18
+  angular2: 2.0.0-beta.20
   browser: ^0.10.0
   dart_to_js_script_rewriter: ^1.0.1
 transformers:
diff --git a/public/docs/dart/latest/_data.json b/public/docs/dart/latest/_data.json
index a93259c9ab..48138a453b 100644
--- a/public/docs/dart/latest/_data.json
+++ b/public/docs/dart/latest/_data.json
@@ -3,7 +3,7 @@
     "icon": "home",
     "title": "Angular Docs",
     "menuTitle": "Docs Home",
-    "banner": "Welcome to <b>angular.io/dart</b>! The current Angular 2 Dart release is <b>beta.18</b>. Consult the <a href='https://github.com/dart-lang/angular2/blob/master/CHANGELOG.md' target='_blank'>Change Log</a> about recent enhancements, fixes, and breaking changes."
+    "banner": "Welcome to <b>angular.io/dart</b>! The current Angular 2 Dart release is <b>beta.20</b>. Consult the <a href='https://github.com/dart-lang/angular2/blob/master/CHANGELOG.md' target='_blank'>Change Log</a> about recent enhancements, fixes, and breaking changes."
   },
 
   "quickstart": {
diff --git a/public/docs/dart/latest/quickstart.jade b/public/docs/dart/latest/quickstart.jade
index f93ed804bf..c9e2f66385 100644
--- a/public/docs/dart/latest/quickstart.jade
+++ b/public/docs/dart/latest/quickstart.jade
@@ -30,7 +30,7 @@ block package-and-config-files
     packages as dependencies, as well as the `angular2` transformer.
     It can also specify other packages and transformers for the app to use,
     such as [dart_to_js_script_rewriter](https://pub.dartlang.org/packages/dart_to_js_script_rewriter).
-    Angular 2 is still changing, so provide an exact version: **2.0.0-beta.18**.
+    Angular 2 is still changing, so provide an exact version: **2.0.0-beta.20**.
 
     [pubspec]: https://www.dartlang.org/tools/pub/pubspec.html
 
diff --git a/pubspec.yaml b/pubspec.yaml
index ce4dd88f48..624e03aed8 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -4,7 +4,7 @@ version: 0.0.1
 environment:
   sdk: '>=1.13.0 <2.0.0'
 dependencies:
-  angular2: 2.0.0-beta.18
+  angular2: 2.0.0-beta.20
   browser: ^0.10.0
   dart_to_js_script_rewriter: ^1.0.1
 transformers: