diff --git a/packages/flutter_plugin_android_lifecycle/CHANGELOG.md b/packages/flutter_plugin_android_lifecycle/CHANGELOG.md
index 4379732..d4570ee 100644
--- a/packages/flutter_plugin_android_lifecycle/CHANGELOG.md
+++ b/packages/flutter_plugin_android_lifecycle/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 2.0.0-nullsafety
+
+* Bump Dart SDK.
+
 ## 1.0.12
 
 * Update Flutter SDK constraint.
diff --git a/packages/flutter_plugin_android_lifecycle/pubspec.yaml b/packages/flutter_plugin_android_lifecycle/pubspec.yaml
index 57441d0..4460ad8 100644
--- a/packages/flutter_plugin_android_lifecycle/pubspec.yaml
+++ b/packages/flutter_plugin_android_lifecycle/pubspec.yaml
@@ -1,10 +1,10 @@
 name: flutter_plugin_android_lifecycle
 description: Flutter plugin for accessing an Android Lifecycle within other plugins.
-version: 1.0.12
+version: 2.0.0-nullsafety
 homepage: https://github.com/flutter/plugins/tree/master/packages/flutter_plugin_android_lifecycle
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.12.0-0 <3.0.0"
   flutter: ">=1.12.13"
 
 dependencies: