prep for release (#24)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0b6fdd1..a221c81 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 2.0.5
+
+* Internal changes only.
+
 ## 2.0.4
 
 * `Client.sendRequest()` now throws a `StateError` if the client is closed while
diff --git a/pubspec.yaml b/pubspec.yaml
index f80caa3..64c7ce7 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: json_rpc_2
-version: 2.0.5-dev
+version: 2.0.5
 author: Dart Team <misc@dartlang.org>
 description: An implementation of the JSON-RPC 2.0 spec.
 homepage: http://github.com/dart-lang/json_rpc_2