diff --git a/CHANGELOG.md b/CHANGELOG.md
index acf0743..abe8e09 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 0.5.9
+
+- Fix issue with DoubleProperty.
+
 ## 0.5.8
 
 - Rfc7232 specs restrictions on 204, 304 statuses (#106)
diff --git a/pubspec.yaml b/pubspec.yaml
index 0571a21..bba7fc6 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: rpc
-version: 0.5.8
+version: 0.5.9
 author: Dart Team <misc@dartlang.org>
 description: Library for exposing Dart server-side APIs.
 homepage: https://github.com/dart-lang/rpc