diff --git a/CHANGELOG.md b/CHANGELOG.md
index 319e000..f972461 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.12.2+4
+
+* Add an example of using command-line arguments to the README.
+
 ## 0.12.2+3
 
 * Fixed implementation of ArgResults.options to really use Iterable<String>
diff --git a/pubspec.yaml b/pubspec.yaml
index 07af8ec..dc77d99 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: args
-version: 0.12.2+3
+version: 0.12.2+4
 author: "Dart Team <misc@dartlang.org>"
 homepage: https://github.com/dart-lang/args
 description: >