Updates version and changelog.
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7c5222d..c6caa1c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 0.13.5
+
+* Adds supports for `@document`.
+* Adds supports for `@supports`.
+
 ## 0.13.4
 
 * Parses CSS 2.1 pseudo-elements as pseudo-elements instead of pseudo-classes.
diff --git a/pubspec.yaml b/pubspec.yaml
index 0e2e7da..81c97a8 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: csslib
-version: 0.13.4
+version: 0.13.5
 author: Dart Team <misc@dartlang.org>
 description: A library for parsing CSS.
 homepage: https://github.com/dart-lang/csslib