diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3316b8a..22841ed 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,4 +13,11 @@ Added onTap to specify a function.
 
 ## 0.0.4
 
-Fixed onTap to specify a callback.
\ No newline at end of file
+Fixed onTap to specify a callback.
+
+## 0.0.5
+
+Fixed an issue with onTap causing null value.
+`title` is now a required property.
+The `title` is now centred if a `subtitle` is not provided.
+An example app is added to check implementation.
\ No newline at end of file
diff --git a/example/pubspec.lock b/example/pubspec.lock
index 2cd0a91..54f8cc6 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -63,7 +63,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "0.0.4"
+    version: "0.0.5"
   flutter:
     dependency: "direct main"
     description: flutter
diff --git a/lib/src/fancy_containers.dart b/lib/src/fancy_containers.dart
index 05036bf..17e28e2 100644
--- a/lib/src/fancy_containers.dart
+++ b/lib/src/fancy_containers.dart
@@ -2,7 +2,7 @@ import 'package:fancy_containers/src/utils/fancy_containers_typedef.dart';
 import 'package:flutter/material.dart';
 
 class FancyContainer extends StatefulWidget {
-  FancyContainer({
+  const FancyContainer({
     Key? key,
     this.height = 120.0,
     this.width,
@@ -18,18 +18,18 @@ class FancyContainer extends StatefulWidget {
     this.subtitleStyle,
   }) : super(key: key);
 
-  double? width;
-  double height = 120;
-  Color? color1;
-  Color? color2;
-  String title;
-  Color? textColor;
-  String? subtitle;
-  Color? subtitleColor;
-  FancyContainersCallback? onTap;
-  EdgeInsetsGeometry? padding;
-  TextStyle? titleStyle;
-  TextStyle? subtitleStyle;
+  final double? width;
+  final double height;
+  final Color? color1;
+  final Color? color2;
+  final String title;
+  final Color? textColor;
+  final String? subtitle;
+  final Color? subtitleColor;
+  final FancyContainersCallback? onTap;
+  final EdgeInsetsGeometry? padding;
+  final TextStyle? titleStyle;
+  final TextStyle? subtitleStyle;
 
   @override
   _FancyContainerState createState() => _FancyContainerState();
diff --git a/pubspec.yaml b/pubspec.yaml
index 5a8eb1c..e78cf1d 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: fancy_containers
 description: Fancy Containers Flutter Package
-version: 0.0.4
+version: 0.0.5
 homepage: https://github.com/adityathakurxd/fancy_containers
 
 environment: