diff --git a/.github/workflows/flutter.yml b/.github/workflows/flutter.yml
index b919474..d8676f7 100644
--- a/.github/workflows/flutter.yml
+++ b/.github/workflows/flutter.yml
@@ -15,21 +15,21 @@ jobs:
 
       - uses: subosito/flutter-action@v1.4.0
         with:
-          channel: 'dev'
+          channel: 'stable'
 
       - name: Doctor
         run: flutter doctor
 
       - name: Install dependencies
         run: flutter packages get
-      
+
       - name: Format
         run: flutter format lib test --set-exit-if-changed
-      
+
       - name: Analyze
         run: flutter analyze lib test
-      
+
       - name: Run tests
         run: flutter test --coverage --coverage-path=lcov.info
-      
+
       - uses: codecov/codecov-action@v1
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 69f6776..211ce4f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 1.1.0 - Mar 21, 2021
+
+*   Stable release for null safety.
+
 ## 1.1.0-nullsafety.1 - Feb 14, 2021
 
 *   Update dependencies.
diff --git a/pubspec.lock b/pubspec.lock
index 8a9da0a..8de998f 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -49,7 +49,7 @@ packages:
       name: disposebag
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.5.0-nullsafety.1"
+    version: "1.5.0"
   fake_async:
     dependency: transitive
     description:
@@ -150,4 +150,4 @@ packages:
     source: hosted
     version: "2.1.0"
 sdks:
-  dart: ">=2.12.0-0.0 <3.0.0"
+  dart: ">=2.12.0 <3.0.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index b3cdda9..6e55f99 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,17 +1,17 @@
 name: flutter_disposebag
 description: Automatically disposes StreamSubscription and closes Sink when disposing State<T>.
-version: 1.1.0-nullsafety.1
+version: 1.1.0
 author: Petrus Nguyen Thai Hoc <hoc081098@gmail.com>
 homepage: https://github.com/Flutter-Dart-Open-Source/flutter_disposebag.git
 repository: https://github.com/Flutter-Dart-Open-Source/flutter_disposebag.git
 issue_tracker: https://github.com/Flutter-Dart-Open-Source/flutter_disposebag/issues
 
 environment:
-  sdk: '>=2.12.0-0 <3.0.0'
+  sdk: '>=2.12.0 <3.0.0'
 
 dependencies:
   meta: ^1.3.0
-  disposebag: ^1.5.0-nullsafety.1
+  disposebag: ^1.5.0
   flutter:
     sdk: flutter