diff --git a/packages/connectivity/connectivity/CHANGELOG.md b/packages/connectivity/connectivity/CHANGELOG.md
index a1d0231a5bd4..c4566ae73fd0 100644
--- a/packages/connectivity/connectivity/CHANGELOG.md
+++ b/packages/connectivity/connectivity/CHANGELOG.md
@@ -1,19 +1,9 @@
-## 3.0.0-nullsafety.3
+## 3.0.0
 
+* Migrate to null safety.
 * Fix outdated links across a number of markdown files ([#3276](https://github.com/flutter/plugins/pull/3276))
-
-## 3.0.0-nullsafety.2
-
 * Android: Cleanup the NetworkCallback object when a connectivity stream is cancelled
 
-## 3.0.0-nullsafety.1
-
-* Bump Dart SDK to support null safety.
-
-## 3.0.0-nullsafety
-
-* Migrate to null safety.
-
 ## 2.0.3
 
 * Update Flutter SDK constraint.
diff --git a/packages/connectivity/connectivity/example/pubspec.yaml b/packages/connectivity/connectivity/example/pubspec.yaml
index b50214619c13..6395dc38c3ae 100644
--- a/packages/connectivity/connectivity/example/pubspec.yaml
+++ b/packages/connectivity/connectivity/example/pubspec.yaml
@@ -15,14 +15,14 @@ dependencies:
 dev_dependencies:
   flutter_driver:
     sdk: flutter
-  test: ^1.10.0-nullsafety.1
+  test: ^1.16.3
   integration_test:
     path: ../../../integration_test
-  pedantic: ^1.10.0-nullsafety.1
+  pedantic: ^1.10.0
 
 flutter:
   uses-material-design: true
 
 environment:
-  sdk: ">=2.12.0-0 <3.0.0"
+  sdk: ">=2.12.0-259.9.beta <3.0.0"
   flutter: ">=1.12.13+hotfix.5"
diff --git a/packages/connectivity/connectivity/pubspec.yaml b/packages/connectivity/connectivity/pubspec.yaml
index 7ae03553a26c..254e325203d1 100644
--- a/packages/connectivity/connectivity/pubspec.yaml
+++ b/packages/connectivity/connectivity/pubspec.yaml
@@ -2,7 +2,7 @@ name: connectivity
 description: Flutter plugin for discovering the state of the network (WiFi &
   mobile/cellular) connectivity on Android and iOS.
 homepage: https://github.com/flutter/plugins/tree/master/packages/connectivity/connectivity
-version: 3.0.0-nullsafety.3
+version: 3.0.0
 
 flutter:
   plugin:
@@ -20,11 +20,11 @@ flutter:
 dependencies:
   flutter:
     sdk: flutter
-  meta: ^1.0.5
-  connectivity_platform_interface: ^2.0.0-nullsafety.1
+  meta: ^1.3.0
+  connectivity_platform_interface: ^2.0.0
   #TODO(cyanglaz): re-endorse the below plugins when they have migrated to nnbd.
   # https://github.com/flutter/flutter/issues/68669
-  connectivity_macos: ^0.2.0-nullsafety
+  connectivity_macos: ^0.2.0
   # connectivity_for_web: ^0.3.0
 
 dev_dependencies:
@@ -32,13 +32,12 @@ dev_dependencies:
     sdk: flutter
   flutter_driver:
     sdk: flutter
-  test: ^1.10.0-nullsafety.1
+  test: ^1.16.3
   integration_test:
     path: ../../integration_test
-  mockito: ^4.1.1
-  plugin_platform_interface: ^1.1.0-nullsafety.1
-  pedantic: ^1.10.0-nullsafety.1
+  plugin_platform_interface: ">=1.0.0 <3.0.0"
+  pedantic: ^1.10.0
 
 environment:
-  sdk: ">=2.12.0-0 <3.0.0"
+  sdk: ">=2.12.0-259.9.beta <3.0.0"
   flutter: ">=1.12.13+hotfix.5"
diff --git a/packages/connectivity/connectivity/test/connectivity_test.dart b/packages/connectivity/connectivity/test/connectivity_test.dart
index e83196546cd2..6747c79bb64a 100644
--- a/packages/connectivity/connectivity/test/connectivity_test.dart
+++ b/packages/connectivity/connectivity/test/connectivity_test.dart
@@ -8,7 +8,7 @@ import 'package:connectivity/connectivity.dart';
 import 'package:connectivity_platform_interface/connectivity_platform_interface.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:plugin_platform_interface/plugin_platform_interface.dart';
-import 'package:mockito/mockito.dart';
+import 'package:test/fake.dart';
 
 const ConnectivityResult kCheckConnectivityResult = ConnectivityResult.wifi;
 const LocationAuthorizationStatus kRequestLocationResult =
@@ -33,7 +33,7 @@ void main() {
   });
 }
 
-class MockConnectivityPlatform extends Mock
+class MockConnectivityPlatform extends Fake
     with MockPlatformInterfaceMixin
     implements ConnectivityPlatform {
   Future<ConnectivityResult> checkConnectivity() async {