diff --git a/pubspec.lock b/pubspec.lock
index 945349c..a26a8d7 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -1,6 +1,20 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
+  archive:
+    dependency: transitive
+    description:
+      name: archive
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.1.2"
+  args:
+    dependency: transitive
+    description:
+      name: args
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.2.0"
   async:
     dependency: transitive
     description:
@@ -43,6 +57,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.15.0"
+  crypto:
+    dependency: transitive
+    description:
+      name: crypto
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
   cupertino_icons:
     dependency: "direct main"
     description:
@@ -62,6 +83,13 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_launcher_icons:
+    dependency: "direct main"
+    description:
+      name: flutter_launcher_icons
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.9.2"
   flutter_lints:
     dependency: "direct dev"
     description:
@@ -74,6 +102,13 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  image:
+    dependency: transitive
+    description:
+      name: image
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.2"
   lints:
     dependency: transitive
     description:
@@ -109,6 +144,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.8.0"
+  petitparser:
+    dependency: transitive
+    description:
+      name: petitparser
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.2.0"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -177,6 +219,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.0"
+  xml:
+    dependency: transitive
+    description:
+      name: xml
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "5.2.0"
+  yaml:
+    dependency: transitive
+    description:
+      name: yaml
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.1.0"
 sdks:
-  dart: ">=2.12.0 <3.0.0"
+  dart: ">=2.13.0 <3.0.0"
   flutter: ">=1.10.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index 7dd2663..bb17a65 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: easy_learn
-description: A new Flutter project.
+description: Learning app for kids.
 
 # The following line prevents the package from being accidentally published to
 # pub.dev using `flutter pub publish`. This is preferred for private packages.
@@ -30,6 +30,7 @@ dependencies:
   cupertino_icons: ^1.0.2
   flutter:
     sdk: flutter
+  flutter_launcher_icons: ^0.9.2
   page_transition: ^2.0.2
   tflite_audio: ^0.1.8+1
 
@@ -38,6 +39,11 @@ dev_dependencies:
   flutter_test:
     sdk: flutter
 
+flutter_icons:
+  android: "launcher_icon"
+  ios: true
+  image_path: "assets/icon/app-icon.png"
+
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec
 # The following section is specific to Flutter.