publish 0.6.4
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3e48265..ce7cfb3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## 0.6.4
+* [upgrade] markdown ^0.8.0
+* [health] clean up markdown files
+* [enhancement] change callable metadata to be the same as class
+* [enhancement] print annotations on separate lines
+
 ## 0.6.3
 * [bug] remove duplicate property enteries 
 * [enhancement] better distinction between getters and setters for properties
diff --git a/lib/dartdoc.dart b/lib/dartdoc.dart
index 68a4903..515017d 100644
--- a/lib/dartdoc.dart
+++ b/lib/dartdoc.dart
@@ -35,7 +35,7 @@
 
 const String name = 'dartdoc';
 // Update when pubspec version changes.
-const String version = '0.6.3';
+const String version = '0.6.4';
 
 final String defaultOutDir = 'doc${Platform.pathSeparator}api';
 
diff --git a/pubspec.lock b/pubspec.lock
index 47c7b29..160bca5 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -88,7 +88,7 @@
   markdown:
     description: markdown
     source: hosted
-    version: "0.7.2"
+    version: "0.8.0"
   matcher:
     description: matcher
     source: hosted
diff --git a/pubspec.yaml b/pubspec.yaml
index f29f526..2eba333 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: dartdoc
 # Also update the `version` field in lib/dartdoc.dart.
-version: 0.6.3
+version: 0.6.4
 author: Dart Team <misc@dartlang.org>
 description: A documentation generator for Dart.
 homepage: https://github.com/dart-lang/dartdoc
@@ -13,7 +13,7 @@
   html: ^0.12.1
   http: ^0.11.0
   logging: '>=0.9.0 <0.12.0'
-  markdown: ^0.7.2
+  markdown: ^0.8.0
   mustache4dart: ^1.0.9
   path: ^1.3.0
   pub_cache: ^0.1.0