diff --git a/CHANGELOG.md b/CHANGELOG.md
index cc3d8fa..12484de 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## [3.0.0] - 2022-09-12
+
+- Upgrade to Flutter 3.3.0
+- Upgrade lint package to 1.1.0
+
 ## [2.1.0] - 2022-06-20
 
 ### Changed
diff --git a/example/android/app/build.gradle b/example/android/app/build.gradle
index 6ca2344..86d5ab4 100644
--- a/example/android/app/build.gradle
+++ b/example/android/app/build.gradle
@@ -26,7 +26,7 @@ apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 30
+    compileSdkVersion 31
 
     sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
@@ -36,7 +36,7 @@ android {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
         applicationId "com.example.example"
         minSdkVersion 16
-        targetSdkVersion 30
+        targetSdkVersion 31
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
     }
diff --git a/example/android/app/src/main/AndroidManifest.xml b/example/android/app/src/main/AndroidManifest.xml
index 34dd77e..9846c3f 100644
--- a/example/android/app/src/main/AndroidManifest.xml
+++ b/example/android/app/src/main/AndroidManifest.xml
@@ -9,7 +9,9 @@
             android:theme="@style/LaunchTheme"
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
             android:hardwareAccelerated="true"
-            android:windowSoftInputMode="adjustResize">
+            android:windowSoftInputMode="adjustResize"
+            android:exported="true"
+            >
             <!-- Specifies an Android theme to apply to this Activity as soon as
                  the Android process has started. This theme is visible to the user
                  while the Flutter UI initializes. After that, this theme continues
diff --git a/example/android/build.gradle b/example/android/build.gradle
index ed45c65..3c72dae 100644
--- a/example/android/build.gradle
+++ b/example/android/build.gradle
@@ -1,12 +1,12 @@
 buildscript {
-    ext.kotlin_version = '1.3.50'
+    ext.kotlin_version = '1.6.10'
     repositories {
         google()
         mavenCentral()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.0'
+        classpath 'com.android.tools.build:gradle:4.1.3'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
diff --git a/example/lib/main.dart b/example/lib/main.dart
index 733a4cd..82f655a 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -24,7 +24,7 @@ class ExamplePage extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    final TinyColor tc = TinyColor(Colors.blue);
+    final TinyColor tc = TinyColor.fromColor(Colors.blue);
 
     return Scaffold(
       appBar: AppBar(
diff --git a/lib/src/conversion.dart b/lib/src/conversion.dart
index 51f26f1..9733a33 100644
--- a/lib/src/conversion.dart
+++ b/lib/src/conversion.dart
@@ -1,8 +1,7 @@
 import 'dart:math' as math;
 
 import 'package:flutter/painting.dart' show Color, HSLColor, HSVColor;
-
-import 'util.dart';
+import 'package:tinycolor2/src/util.dart';
 
 HSLColor rgbToHsl({
   required double r,
diff --git a/lib/src/extensions.dart b/lib/src/extensions.dart
index 6ae3a7e..c3acfc5 100644
--- a/lib/src/extensions.dart
+++ b/lib/src/extensions.dart
@@ -1,6 +1,5 @@
 import 'package:flutter/painting.dart';
-
-import 'tinycolor.dart';
+import 'package:tinycolor2/src/tinycolor.dart';
 
 /// Extends the Color class to allow direct TinyColor manipulation natively
 extension TinyColorExtension on Color {
diff --git a/lib/src/tinycolor.dart b/lib/src/tinycolor.dart
index 42199a2..c9a6632 100644
--- a/lib/src/tinycolor.dart
+++ b/lib/src/tinycolor.dart
@@ -2,9 +2,7 @@ import 'dart:math' as math;
 
 import 'package:flutter/painting.dart' show Color, HSLColor, HSVColor;
 import 'package:pigment/pigment.dart';
-
-import 'conversion.dart';
-import 'util.dart';
+import 'package:tinycolor2/src/util.dart';
 
 class TinyColor {
   final Color originalColor;
diff --git a/lib/tinycolor2.dart b/lib/tinycolor2.dart
index 719422d..3623c96 100644
--- a/lib/tinycolor2.dart
+++ b/lib/tinycolor2.dart
@@ -1,6 +1,6 @@
 library tinycolor2;
 
-export 'src/extensions.dart';
 export 'src/conversion.dart';
+export 'src/extensions.dart';
 export 'src/tinycolor.dart';
 export 'src/util.dart';
diff --git a/pubspec.yaml b/pubspec.yaml
index 5a406a3..39d4338 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,20 +1,20 @@
 name: tinycolor2
 description: Flutter Color manipulation and conversion, ported from JS tinycolor2
-version: 2.1.0
+version: 3.0.0
 homepage: https://github.com/TinyCommunity/tinycolor2
 
 environment:
-  sdk: ">=2.12.0 <3.0.0"
-  flutter: ">=1.12.0"
+  sdk: ">=2.17.0 <3.0.0"
+  flutter: ">=3.0.0"
 
 dependencies:
   flutter:
     sdk: flutter
-  lint: ^1.5.3
   pigment: ^1.0.4
 
 dev_dependencies:
   flutter_test:
     sdk: flutter
+  lint: ^1.10.0
 
 flutter:
diff --git a/test/tinycolor_test.dart b/test/tinycolor_test.dart
index 38b2009..984414c 100644
--- a/test/tinycolor_test.dart
+++ b/test/tinycolor_test.dart
@@ -1,5 +1,4 @@
 import 'package:flutter/painting.dart' show Color, HSLColor, HSVColor;
-
 import 'package:flutter_test/flutter_test.dart';
 import 'package:tinycolor2/tinycolor2.dart';
 
@@ -425,7 +424,7 @@ void main() {
         "==",
         () {
           expect(
-            color!,
+            color,
             TinyColor.fromColor(const Color(0xFFFFFFFF)),
           );
         },