diff --git a/CHANGELOG.md b/CHANGELOG.md
index 95b161d..a7c1b06 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.10.4
+* Implement `highlight` in `SourceMapFileSpan`.
+* Require version `^1.3.0` of `source_span`.
+
 ## 0.10.3
  * Add `addMapping` and `containsMapping` members to `MappingBundle`.
 
diff --git a/pubspec.yaml b/pubspec.yaml
index c101271..1db777b 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,10 +1,10 @@
 name: source_maps
-version: 0.10.3
+version: 0.10.4
 author: Dart Team <misc@dartlang.org>
 description: Library to programmatically manipulate source map files.
 homepage: http://github.com/dart-lang/source_maps
 dependencies:
-  source_span: ^1.1.1
+  source_span: ^1.3.0
 environment:
   sdk: '>=1.8.0 <2.0.0'
 dev_dependencies: