diff --git a/CHANGELOG.md b/CHANGELOG.md
index d44df57..0da90b6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## 3.0.3
+
+* Fix a bug that caused all downstream users of `code_builder` to crash due to
+  `build_runner` trying to import our private builder (in `tool/`). Sorry for
+  the inconvenience.
+
 ## 3.0.2
 
 * Require `source_gen: ^0.7.5`.
diff --git a/README.md b/README.md
index fc8d974..d36b9ee 100644
--- a/README.md
+++ b/README.md
@@ -94,10 +94,16 @@ will be on a best-effort basis.
 
 ### Updating generated (`.g.dart`) files
 
+> **NOTE**: There is currently a limitation in `build_runner` that requires
+> a workaround for developing this package. We expect this to be unnecessary
+> in the future.
+
 Use [`build_runner`][build_runner]:
 
 ```bash
+$ mv build.disabled.yaml build.yaml
 $ pub run build_runner build --delete-conflicting-outputs
+$ mv build.yaml build.disabled.yaml
 ```
 
 [build_runner]: https://pub.dartlang.org/packages/build_runner
diff --git a/build.yaml b/build.disabled.yaml
similarity index 100%
rename from build.yaml
rename to build.disabled.yaml
diff --git a/pubspec.yaml b/pubspec.yaml
index ffa34c3..3995e7f 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: code_builder
-version: 3.0.2
+version: 3.0.3
 description: A fluent API for generating Dart code
 author: Dart Team <misc@dartlang.org>
 homepage: https://github.com/dart-lang/code_builder
@@ -14,6 +14,7 @@ dependencies:
   meta: ^1.0.5
 
 dev_dependencies:
+  build: ^0.12.0
   build_runner: ^0.7.9
   built_value_generator: ^5.1.0
   dart_style: ^1.0.0