diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 00a3b8c..dfaa5cd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -38,7 +38,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        sdk: [3.0.0, dev]
+        sdk: [3.4, dev]
     steps:
       - uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29
       - uses: dart-lang/setup-dart@f0ead981b4d9a35b37f30d36160575d60931ec30
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9f7a6df..8a87740 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 ## 2.1.2-wip
 
-- Require at least Dart SDK `3.0.0`.
+- Require at least Dart SDK `3.4.0`.
 
 ## 2.1.1
 
diff --git a/lib/builder.dart b/lib/builder.dart
index 15b1fb3..d0fd1e4 100644
--- a/lib/builder.dart
+++ b/lib/builder.dart
@@ -5,7 +5,7 @@
 ///
 /// See [package:build_runner](https://pub.dev/packages/build_runner)
 /// for more information.
-library builder;
+library;
 
 import 'dart:async';
 
diff --git a/pubspec.yaml b/pubspec.yaml
index 3f50345..bb1157a 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -4,7 +4,7 @@ version: 2.1.2-wip
 repository: https://github.com/kevmoo/build_version
 
 environment:
-  sdk: ^3.0.0
+  sdk: ^3.4.0
 
 dependencies:
   build: ^2.1.0
@@ -13,9 +13,9 @@ dependencies:
   pubspec_parse: ^1.0.0
 
 dev_dependencies:
-  build_runner: ^2.0.0
-  build_test: ^2.0.0
+  build_runner: ^2.1.0
+  build_test: ^2.1.0
   build_verify: ^3.0.0
-  checked_yaml: ^2.0.0
-  dart_flutter_team_lints: ^2.0.0
-  test: ^1.2.0
+  checked_yaml: ^2.0.1
+  dart_flutter_team_lints: ^3.0.0
+  test: ^1.16.8