update pubspec/changelog
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 093a242..d15b0c0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 1.6.4+1
+
+* Fix an issue with `JsonDocumentTransformer.bind` where it created an internal
+ stream channel which didn't get a properly inferred type for its `sink`.
+
## 1.6.4
* Fix a race condition in `MultiChannel` where messages from a remote virtual
diff --git a/pubspec.yaml b/pubspec.yaml
index 393e60f..5abd523 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
name: stream_channel
-version: 1.6.4
+version: 1.6.4+5
description: An abstraction for two-way communication channels.
author: Dart Team <misc@dartlang.org>
homepage: https://github.com/dart-lang/stream_channel