diff --git a/CHANGELOG.md b/CHANGELOG.md
index e5a8b71..bc4b5e5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-## 1.15.0
+## 1.14.9
 
 * Fixed bugs where `QueueList`, `MapKeySet`, and `MapValueSet` did not adhere to
   the contract laid out by `List.cast`, `Set.cast` and `Map.cast` respectively.
diff --git a/pubspec.yaml b/pubspec.yaml
index 5f9ca88..21d0049 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: collection
-version: 1.15.0
+version: 1.14.9
 author: Dart Team <misc@dartlang.org>
 description: Collections and utilities functions and classes related to collections.
 homepage: https://www.github.com/dart-lang/collection
@@ -9,7 +9,7 @@
   sdk: '>=2.0.0-dev.22.0 <2.0.0'
 
 dev_dependencies:
-  build_runner: ^0.7.11
+  build_runner: ^0.8.0
   build_test: ^0.10.0
   build_web_compilers: ^0.3.1
   test: ^0.12.0