diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6b41446..ab93de8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.1.5
+
+- Use `const`.
+
 ## 0.1.4
 
 - Add `class` comments.
diff --git a/example/main.dart b/example/main.dart
index cda2d73..f5259d1 100644
--- a/example/main.dart
+++ b/example/main.dart
@@ -1,9 +1,3 @@
 import 'package:env2dart/env2dart.dart';
 
-import 'env.g.dart';
-
 void main() => parseAndGen(["-o", "./lib/env.g.dart"]);
-
-a(){
-  var env = Env();
-}
diff --git a/pubspec.yaml b/pubspec.yaml
index 0446ab9..2f56196 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: env2dart
 description: A simple way to generate `dart` code from a `.env` file.
-version: 0.1.4
+version: 0.1.5
 repository: https://github.com/fluttercandies/env2dart
 
 environment: