diff --git a/CHANGELOG.md b/CHANGELOG.md
index c096035..d123fab 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+## 0.13.4
+
+* Parses CSS 2.1 pseudo-classes as pseudo-classes instead of pseudo-elements.
+* Supports signed decimal numbers with no integer part.
+* Fixes parsing hexadecimal numbers when followed by an identifier.
+* Fixes parsing strings which contain unicode-range character sequences.
+
 ## 0.13.3+1
 
 * Fixes analyzer error.
diff --git a/pubspec.yaml b/pubspec.yaml
index 816ee6a..0e2e7da 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: csslib
-version: 0.13.3+1
+version: 0.13.4
 author: Dart Team <misc@dartlang.org>
 description: A library for parsing CSS.
 homepage: https://github.com/dart-lang/csslib