diff --git a/README.md b/README.md
index cc5fe5a..9e24319 100644
--- a/README.md
+++ b/README.md
@@ -6,22 +6,36 @@ This project serves as a template project for Flutter applications. You can gene
 
 ## 🔧 Setup and Installation
 
-- Execute `$ flutter doctor` to verify installations
-- Execute `$ pub get` to pull project dependencies
-- Execute a run configuration of choice
-  - `$ flutter run --flavor development -t lib/main_development.dart --dart-define-from-file=lib/config/dart_define_keys/dart_define_development_keys.json`
-  - `$ flutter run --flavor staging -t lib/main_staging.dart --dart-define-from-file=lib/config/dart_define_keys/dart_define_staging_keys.json`
-
-⚠️ **Running the Production Flavor**
-
-It is **not recommended** to run the production flavor directly from the IDE
-(VS Code or Android Studio) as it may be run by mistake. For ease and accuracy,
-it is advised to run flavors via the **VS Code launch menu** or the **Android
-Studio Run menu** instead.
+1. Execute `$ flutter doctor` to verify installations.
+2. Execute `$ pub get` to pull project dependencies.
+3. Execute a run configuration of your choice:
+
+   ```sh
+   flutter run --flavor development -t lib/main_development.dart --dart-define-from-file=lib/config/dart_define_keys/dart_define_development_keys.json
+   ```
+
+   ```sh
+   flutter run --flavor staging -t lib/main_staging.dart --dart-define-from-file=lib/config/dart_define_keys/dart_define_staging_keys.json`
+   ```
+
+> [!IMPORTANT]
+> ⚠️ **Running the Production Flavor**
+>
+> It is **not recommended** to run the production flavor directly from the IDE
+> (VS Code or Android Studio) as it may be run by mistake. For ease and
+> accuracy,
+> it is advised to run flavors via the **VS Code launch menu** or the
+> **Android Studio Run menu** instead.
+>
+> To use the build runner, use this command:
+>
+> ```sh
+> dart run build_runner build --delete-conflicting-outputs
+> ```
 
 ## 🌲 Branches
 
-- `master` - Latest version in the app store.
+- `main` - Latest version in the app store.
 - `develop` - Default. Feature branches are merged in when complete and then deleted.
 
 ## 🔗 Useful links
@@ -32,4 +46,3 @@ Studio Run menu** instead.
 - [OpenAPI Specification](https://TODO)
 - [NStack](https://TODO)
 - [Figma Design](https://TODO)
-- [UI Manifesto](https://github.com/monstar-lab-oss/ui-manifesto)
diff --git a/lib/config/dart_define.dart b/lib/config/dart_define.dart
index eb2667d..6ac6527 100644
--- a/lib/config/dart_define.dart
+++ b/lib/config/dart_define.dart
@@ -1,5 +1,5 @@
-// This class is declared as an `abstract interface` to restrict inheritance
+// This class is declared as an `abstract final` to restrict inheritance
 // and prevent instantiation outside the library.
-abstract interface class DartDefine {
+abstract final class DartDefine {
   static const apiBaseUrl = String.fromEnvironment('API_BASE_URL');
 }
diff --git a/lib/presentation/common/assets_cache_manager.dart b/lib/presentation/common/assets_cache_manager.dart
index d463d59..fcf74ac 100644
--- a/lib/presentation/common/assets_cache_manager.dart
+++ b/lib/presentation/common/assets_cache_manager.dart
@@ -1,4 +1,4 @@
-abstract interface class AssetsCachingManager {
+abstract final class AssetsCachingManager {
   /// Caches only the animations required at the initial app startup,
   /// specifically for the splash screen.
   ///
diff --git a/lib/presentation/resources/app_color_palette.dart b/lib/presentation/resources/app_color_palette.dart
index ab60fe7..8230b70 100644
--- a/lib/presentation/resources/app_color_palette.dart
+++ b/lib/presentation/resources/app_color_palette.dart
@@ -3,7 +3,7 @@ import 'package:flutter/material.dart';
 /// Defines color palette for the application.
 ///
 /// Consider using the color name that is mentioned in Figma.
-abstract interface class AppColorPalette {
+abstract final class AppColorPalette {
   const AppColorPalette._();
 
   static const alpha = Colors.transparent;
diff --git a/lib/presentation/resources/app_fonts.dart b/lib/presentation/resources/app_fonts.dart
index 7a76f05..51299e5 100644
--- a/lib/presentation/resources/app_fonts.dart
+++ b/lib/presentation/resources/app_fonts.dart
@@ -1,6 +1,6 @@
 import 'package:flutter_template/gen/fonts.gen.dart';
 
-abstract interface class AppFonts {
+abstract final class AppFonts {
   AppFonts._();
 
   static const roboto = FontFamily.roboto;
diff --git a/lib/presentation/resources/app_theme.dart b/lib/presentation/resources/app_theme.dart
index 501b177..3744b8d 100644
--- a/lib/presentation/resources/app_theme.dart
+++ b/lib/presentation/resources/app_theme.dart
@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_template/presentation/extensions/color_extensions.dart';
 import 'package:flutter_template/presentation/resources/resources.dart';
 
-abstract interface class AppTheme {
+abstract final class AppTheme {
   const AppTheme._();
 
   static ThemeData fromBrightness(Brightness brightness) {
diff --git a/lib/presentation/resources/app_ui_constants.dart b/lib/presentation/resources/app_ui_constants.dart
index a6a4f4b..02032a7 100644
--- a/lib/presentation/resources/app_ui_constants.dart
+++ b/lib/presentation/resources/app_ui_constants.dart
@@ -4,7 +4,7 @@ import 'package:flutter/material.dart';
 ///
 /// This class contains non-sensitive information and is designed to maintain consistency
 /// across the app's UI elements.
-abstract interface class AppUiConstants {
+abstract final class AppUiConstants {
   AppUiConstants._();
 
   // Animations
diff --git a/pubspec.yaml b/pubspec.yaml
index 686d546..bb878bb 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -14,8 +14,8 @@ dependencies:
 
   # UI & Design
   cupertino_icons: ^1.0.8
-  flutter_svg: 2.0.9 # Change with caution
-  lottie: 1.4.3 # Change with caution
+  flutter_svg: 2.0.9 # ⚠️ Change with caution (reason: nstack)
+  lottie: 3.0.0 # ⚠️ Change with caution (reason: nstack -> http)
   flutter_sticky_header: ^0.7.0
   auto_size_text: ^3.0.0
   theme_tailor_annotation: ^3.0.1