diff --git a/sdk/CHANGELOG.md b/sdk/CHANGELOG.md
index fd15dbaaffe..29027a00a21 100644
--- a/sdk/CHANGELOG.md
+++ b/sdk/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.0.16
+
+  - 27 changes: https://github.com/domokit/mojo/compare/e028733...e7433cf
+
 ## 0.0.15
 
   - 6 changes: https://github.com/domokit/mojo/compare/4df2d39...e028733
diff --git a/sdk/example/demo_launcher/apk/AndroidManifest.xml b/sdk/example/demo_launcher/apk/AndroidManifest.xml
index 899f0ce97c4..eb940b961f4 100644
--- a/sdk/example/demo_launcher/apk/AndroidManifest.xml
+++ b/sdk/example/demo_launcher/apk/AndroidManifest.xml
@@ -3,7 +3,7 @@
      Use of this source code is governed by a BSD-style license that can be
      found in the LICENSE file.
  -->
-<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="org.domokit.sky.demo" android:versionCode="15" android:versionName="0.0.15">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="org.domokit.sky.demo" android:versionCode="16" android:versionName="0.0.16">
 
     <uses-sdk android:minSdkVersion="14" android:targetSdkVersion="21" />
     <uses-permission android:name="android.permission.INTERNET" />
diff --git a/sdk/pubspec.yaml b/sdk/pubspec.yaml
index bf9239d0ebe..111e6a87eb5 100644
--- a/sdk/pubspec.yaml
+++ b/sdk/pubspec.yaml
@@ -7,4 +7,4 @@ dependencies:
 description: Dart files to support executing inside Sky.
 homepage: https://github.com/domokit/mojo/tree/master/sky
 name: sky
-version: 0.0.15
+version: 0.0.16
diff --git a/tools/big_red_button.py b/tools/big_red_button.py
index 620133a0324..75b246b62b9 100644
--- a/tools/big_red_button.py
+++ b/tools/big_red_button.py
@@ -1,8 +1,22 @@
-# Roll versions script:
-# /src/mojo/src/sky/apk/demo/AndroidManifest.xml version and string.
-# Update versions of pub packages:
-
-# Make a commit, upload it, land it.
+# Prepare release script.
+#
+# 1) Bump versions:
+# sky/sdk/example/demo_launcher/apk/AndroidManifest.xml
+# mojo/dart/mojo_services/pubspec.yaml
+# mojo/dart/mojom/pubspec.yaml
+# mojo/public/dart/pubspec.yaml
+# sky/sdk/pubspec.yaml
+#
+# 2) Update change logs:
+# mojo/dart/mojo_services/CHANGELOG.md
+# mojo/dart/mojom/CHANGELOG.md
+# mojo/public/dart/CHANGELOG.md
+# sky/sdk/CHANGELOG.md
+#
+# 3) Make a commit, upload it, land it.
+#
+# 4) Run this script.
+#
 
 # Useful links:
 # http://stackoverflow.com/questions/14665518/api-to-automatically-upload-apk-to-google-play