prepare for release
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6522d8f..0d7016e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.20.4+1
+
+* Support the latest release of `pkg/quiver`.
+
 ## 0.20.4
 
 * Bug fix: Additional fix around `ObservableList.listChanges`
diff --git a/pubspec.yaml b/pubspec.yaml
index 01bd848..c0fe892 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: observable
-version: 0.20.5-dev
+version: 0.20.4+1
 author: Dart Team <misc@dartlang.org>
 description: Support for marking objects as observable
 homepage: https://github.com/dart-lang/observable