diff --git a/CHANGELOG.md b/CHANGELOG.md
index 22963a204..3ad6046b0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,24 @@
+## 0.9.0-alpha+13
+
+> NOTE: This code is considered production quality, but depends on angular:
+> 5.0.0-alpha+13. The alpha tag represents the evolving nature of the
+> AngularDart API, not code quality (5.0.0-alpha+13 is used in production Google
+> apps).
+
+ * Material Expansion Panel: Add mixin to set alignment in the header.
+ * Material Icon:
+   * Add flag to mirror icon.
+   * Roll back change that flipped help icon in RTL.
+ * Material Input: Adding field to material input mixin to specify the label
+   color when there is an error and the label is focused.
+ * Material Menu:
+   * Allow setting the class for each affix item.
+   * Add helper constructor for flat menus.
+   * Add mixin for changing the icon color of menu item.
+ * Material Yes/No Buttons: Remove `Visibility.all`.
+ * Handle null pointer in `popup_source_directive`.
+ * Updates to new `@HostBinding` syntax.
+
 ## 0.9.0-alpha+12
 
 > NOTE: This code is considered production quality, but depends on angular:
@@ -43,7 +64,7 @@
  * Scorecard: Remove the `:host` from the padding mixin so it is not required to
    be used at the top level.
  * Add `HasDisabled` interface.
- * Propagate css classes on modal component to the overlay element.
+ * Propagate CSS classes on modal component to the overlay element.
  * Annotate `Domservice.leap()` visible for testing.
  * Add support for `SingleSelectionModel` to `SelectionModel.empty`.
  * Add `mat-link-deep` mixin to push the Material link styles everywhere.
@@ -51,7 +72,7 @@
  * Update sass_builder dependency to latest and use the post-process builder to
    cleanup `.scss` files from the output.
  * Support RTL selectors on any element.
- * Remove usage of package uuid.
+ * Remove usage of package UUID.
  * Dart2 type fixes.
  * Update documentation.
 
diff --git a/pubspec.yaml b/pubspec.yaml
index 4ef68460a..9aff8bffb 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,15 +1,15 @@
 name: angular_components
-version: 0.9.0-alpha+12
+version: 0.9.0-alpha+13
 description: >
   The official Material Design components for AngularDart. Used at Google
   in production apps.
 homepage: https://webdev.dartlang.org/components
 author: Dart Team <misc@dartlang.org>
 environment:
-  sdk: '>=2.0.0-dev.46.0 <2.0.0'
+  sdk: '>=2.0.0-dev.55.0 <2.0.0'
 dependencies:
-  angular: 5.0.0-alpha+12
-  angular_forms: 2.0.0-alpha+4
+  angular: 5.0.0-alpha+13
+  angular_forms: 2.0.0-alpha+5
   async: ^2.0.6
   build: '>=0.11.1 <0.13.0'
   build_config: ^0.2.6
@@ -21,7 +21,7 @@ dependencies:
   logging: ^0.11.2
   meta: ^1.0.4
   observable: '>=0.17.0+1 <0.23.0'
-  protobuf: ^0.7.1
+  protobuf: ^0.8.0
   perf_api: ^0.1.0
   quiver: '>=0.24.0 <0.30.0'
   sass_builder: ^2.0.0