prep for release (#754)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 314b4c1..6ed8fb5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.12.30+1
+
+* Internal changes.
+
 ## 0.12.30
 
 * Platform selectors for operating systems now work for Node.js tests
diff --git a/pubspec.yaml b/pubspec.yaml
index cb7c161..80f14c1 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: test
-version: 0.12.31-dev
+version: 0.12.30+1
 author: Dart Team <misc@dartlang.org>
 description: A library for writing dart unit tests.
 homepage: https://github.com/dart-lang/test