diff --git a/pkgs/native_assets_cli/CHANGELOG.md b/pkgs/native_assets_cli/CHANGELOG.md
index 741fd3b6b..b69b235a1 100644
--- a/pkgs/native_assets_cli/CHANGELOG.md
+++ b/pkgs/native_assets_cli/CHANGELOG.md
@@ -1,11 +1,10 @@
-## 0.4.0-wip
+## 0.4.0
 
 - Added [example/use_dart_api/](example/use_dart_api/) detailing how to use
   `dart_api_dl.h` from the Dart SDK in native code.
 - **Breaking change** Moved code not used in `build.dart` to
   `package:native_assets_builder`.
 
-
 ## 0.3.2
 
 - Fixed an issue where `Depenendencies.dependencies` could not be
diff --git a/pkgs/native_assets_cli/lib/native_assets_cli.dart b/pkgs/native_assets_cli/lib/native_assets_cli.dart
index 8ee3d3064..0086a3d60 100644
--- a/pkgs/native_assets_cli/lib/native_assets_cli.dart
+++ b/pkgs/native_assets_cli/lib/native_assets_cli.dart
@@ -3,7 +3,7 @@
 // BSD-style license that can be found in the LICENSE file.
 
 /// A library that contains the argument and file formats for implementing a
-/// native assets CLI.
+/// native assets CLI, e.g. a `build.dart` script.
 library native_assets_cli;
 
 export 'src/model/asset.dart';
diff --git a/pkgs/native_assets_cli/lib/native_assets_cli_internal.dart b/pkgs/native_assets_cli/lib/native_assets_cli_internal.dart
new file mode 100644
index 000000000..a28dd9caa
--- /dev/null
+++ b/pkgs/native_assets_cli/lib/native_assets_cli_internal.dart
@@ -0,0 +1,19 @@
+// Copyright (c) 2023, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+/// This library should not be used by `build.dart` scripts.
+///
+/// Only `package:native_assets_builder` should use this.
+library native_assets_cli;
+
+export 'src/model/asset.dart';
+export 'src/model/build_config.dart';
+export 'src/model/build_mode.dart';
+export 'src/model/build_output.dart';
+export 'src/model/dependencies.dart';
+export 'src/model/ios_sdk.dart';
+export 'src/model/link_mode.dart';
+export 'src/model/link_mode_preference.dart';
+export 'src/model/metadata.dart';
+export 'src/model/target.dart';
diff --git a/pkgs/native_assets_cli/pubspec.yaml b/pkgs/native_assets_cli/pubspec.yaml
index 02ec12373..6efe5e7fc 100644
--- a/pkgs/native_assets_cli/pubspec.yaml
+++ b/pkgs/native_assets_cli/pubspec.yaml
@@ -4,7 +4,7 @@ description: >-
   native assets CLI.
 
 # Note: Bump BuildConfig.version and BuildOutput.version on breaking changes!
-version: 0.4.0-wip
+version: 0.4.0
 repository: https://github.com/dart-lang/native/tree/main/pkgs/native_assets_cli
 
 topics: