diff --git a/CHANGELOG.md b/CHANGELOG.md
index f08adaf..155e009 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 0.4.0
+
+- feat: BREAKING. BetterCommandRunner's constructor changed to use MessageOutput class for clearer specification of logging functions.
+
 ## 0.3.0
 
 - feat: BREAKING. Logging behavior now allows configuring the log level for stderr. By default, all logs are now directed to stdout.
diff --git a/pubspec.yaml b/pubspec.yaml
index 3e10159..36ee76e 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: cli_tools
-version: 0.3.0
+version: 0.4.0
 description: A collection of tools for building great command-line interfaces.
 repository: https://github.com/serverpod/cli_tools
 homepage: https://serverpod.dev