diff --git a/mojo/dart/packages/mojo/CHANGELOG.md b/mojo/dart/packages/mojo/CHANGELOG.md
index 4579658..c79145c 100644
--- a/mojo/dart/packages/mojo/CHANGELOG.md
+++ b/mojo/dart/packages/mojo/CHANGELOG.md
@@ -1,3 +1,9 @@
+## 0.4.21
+
+  - 35 changes: https://github.com/domokit/mojo/compare/e95b5db...c200560
+
+  MOJO_SDK: c200560ac45a79b61b8e8c0444af471789f5669f
+
 ## 0.4.20
 
   - 125 changes: https://github.com/domokit/mojo/compare/2f662f4...705723c
diff --git a/mojo/dart/packages/mojo/pubspec.yaml b/mojo/dart/packages/mojo/pubspec.yaml
index 6fb178c..1c02cba 100644
--- a/mojo/dart/packages/mojo/pubspec.yaml
+++ b/mojo/dart/packages/mojo/pubspec.yaml
@@ -2,4 +2,4 @@
 description: Dart files to support executing inside Mojo.
 homepage: https://github.com/domokit/mojo
 name: mojo
-version: 0.4.20
+version: 0.4.21
diff --git a/mojo/dart/packages/mojo_services/CHANGELOG.md b/mojo/dart/packages/mojo_services/CHANGELOG.md
index af43d95..2b653f5 100644
--- a/mojo/dart/packages/mojo_services/CHANGELOG.md
+++ b/mojo/dart/packages/mojo_services/CHANGELOG.md
@@ -1,3 +1,9 @@
+## 0.4.28
+
+  - 35 changes: https://github.com/domokit/mojo/compare/e95b5db...c200560
+
+  MOJO_SDK: c200560ac45a79b61b8e8c0444af471789f5669f
+
 ## 0.4.27
 
   - 125 changes: https://github.com/domokit/mojo/compare/2f662f4...705723c
diff --git a/mojo/dart/packages/mojo_services/pubspec.yaml b/mojo/dart/packages/mojo_services/pubspec.yaml
index 6f55468..0511faf 100644
--- a/mojo/dart/packages/mojo_services/pubspec.yaml
+++ b/mojo/dart/packages/mojo_services/pubspec.yaml
@@ -4,4 +4,4 @@
 description: Generated bindings for mojo services
 homepage: https://github.com/domokit/mojo
 name: mojo_services
-version: 0.4.27
+version: 0.4.28