prepare for 0.6.4 release
diff --git a/pkgs/coverage/CHANGELOG.md b/pkgs/coverage/CHANGELOG.md
index dbc6538..db2816c 100644
--- a/pkgs/coverage/CHANGELOG.md
+++ b/pkgs/coverage/CHANGELOG.md
@@ -1,3 +1,9 @@
+###0.6.4
+
+ * Optimized formatters and fixed return value of `format` methods.
+ 
+ * Added `Resolver.packageRoot` – deprecated `Resolver.pkgRoot`.
+
 ###0.6.3
 
  * Support the latest release of `args` package.
diff --git a/pkgs/coverage/pubspec.yaml b/pkgs/coverage/pubspec.yaml
index 67e5f9c..a036998 100644
--- a/pkgs/coverage/pubspec.yaml
+++ b/pkgs/coverage/pubspec.yaml
@@ -1,5 +1,5 @@
 name: coverage
-version: 0.6.4-dev
+version: 0.6.4
 author: Dart Team <misc@dartlang.org>
 description: Coverage data manipulation and formatting
 homepage: https://github.com/dart-lang/coverage