diff --git a/android/app/build.gradle b/android/app/build.gradle
index 5e265753..6c963e03 100644
--- a/android/app/build.gradle
+++ b/android/app/build.gradle
@@ -26,7 +26,7 @@ apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 29
+    compileSdkVersion 31
 
     sourceSets {
         main.java.srcDirs += 'src/main/kotlin'
diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
index 7051d271..e4a41966 100644
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@@ -7,7 +7,7 @@
          additional functionality it is fine to subclass or reimplement
          FlutterApplication and put your custom class here. -->
     <application
-        android:name="io.flutter.app.FlutterApplication"
+        android:name="${applicationName}"
         android:label="SelfPrivacy"
         android:icon="@mipmap/launcher_icon">
         <activity
diff --git a/android/build.gradle b/android/build.gradle
index 3100ad2d..6bce4380 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -1,5 +1,5 @@
 buildscript {
-    ext.kotlin_version = '1.3.50'
+    ext.kotlin_version = '1.5.10'
     repositories {
         google()
         jcenter()
diff --git a/android/gradle/wrapper/gradle-wrapper.properties b/android/gradle/wrapper/gradle-wrapper.properties
index 296b146b..f8865307 100644
--- a/android/gradle/wrapper/gradle-wrapper.properties
+++ b/android/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.9.1-all.zip
diff --git a/pubspec.lock b/pubspec.lock
index f4a8a397..11edf7d2 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -7,56 +7,56 @@ packages:
       name: _fe_analyzer_shared
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "22.0.0"
+    version: "31.0.0"
   analyzer:
     dependency: transitive
     description:
       name: analyzer
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.7.2"
+    version: "2.8.0"
   archive:
     dependency: transitive
     description:
       name: archive
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.1.2"
+    version: "3.1.11"
   args:
     dependency: transitive
     description:
       name: args
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.2.0"
+    version: "2.3.0"
   asn1lib:
     dependency: transitive
     description:
       name: asn1lib
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.2"
+    version: "1.1.0"
   async:
     dependency: transitive
     description:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   auto_size_text:
     dependency: "direct main"
     description:
       name: auto_size_text
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.0-nullsafety.0"
+    version: "3.0.0"
   basic_utils:
     dependency: "direct main"
     description:
       name: basic_utils
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.5.0"
+    version: "3.9.4"
   bloc:
     dependency: transitive
     description:
@@ -77,7 +77,7 @@ packages:
       name: build
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.2.1"
   build_config:
     dependency: transitive
     description:
@@ -91,49 +91,49 @@ packages:
       name: build_daemon
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.0"
+    version: "3.0.1"
   build_resolvers:
     dependency: transitive
     description:
       name: build_resolvers
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.4"
+    version: "2.0.6"
   build_runner:
     dependency: "direct dev"
     description:
       name: build_runner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.1"
+    version: "2.1.7"
   build_runner_core:
     dependency: transitive
     description:
       name: build_runner_core
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "7.1.0"
+    version: "7.2.3"
   built_collection:
     dependency: transitive
     description:
       name: built_collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "5.1.0"
+    version: "5.1.1"
   built_value:
     dependency: transitive
     description:
       name: built_value
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "8.1.2"
+    version: "8.1.4"
   characters:
     dependency: transitive
     description:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -154,7 +154,7 @@ packages:
       name: cli_util
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.3.3"
+    version: "0.3.5"
   clock:
     dependency: transitive
     description:
@@ -196,7 +196,7 @@ packages:
       name: crypt
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.0.1"
+    version: "4.2.1"
   crypto:
     dependency: transitive
     description:
@@ -217,21 +217,21 @@ packages:
       name: cupertino_icons
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.3"
+    version: "1.0.4"
   dart_style:
     dependency: transitive
     description:
       name: dart_style
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.3"
+    version: "2.2.1"
   dio:
     dependency: "direct main"
     description:
       name: dio
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.0.0"
+    version: "4.0.4"
   easy_localization:
     dependency: "direct main"
     description:
@@ -308,7 +308,7 @@ packages:
       name: fl_chart
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.40.0"
+    version: "0.40.6"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -339,14 +339,14 @@ packages:
       name: flutter_markdown
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.6.5"
+    version: "0.6.9"
   flutter_plugin_android_lifecycle:
     dependency: transitive
     description:
       name: flutter_plugin_android_lifecycle
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.3"
+    version: "2.0.5"
   flutter_secure_storage:
     dependency: "direct main"
     description:
@@ -384,21 +384,21 @@ packages:
       name: glob
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.1"
+    version: "2.0.2"
   graphs:
     dependency: transitive
     description:
       name: graphs
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.0"
   hive:
     dependency: "direct main"
     description:
       name: hive
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.4"
+    version: "2.0.5"
   hive_flutter:
     dependency: "direct main"
     description:
@@ -412,14 +412,14 @@ packages:
       name: hive_generator
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.1.2"
   http:
     dependency: transitive
     description:
       name: http
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.13.3"
+    version: "0.13.4"
   http_multi_server:
     dependency: transitive
     description:
@@ -440,7 +440,7 @@ packages:
       name: image
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.2"
+    version: "3.1.1"
   intl:
     dependency: transitive
     description:
@@ -475,42 +475,49 @@ packages:
       name: json_annotation
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.0.1"
+    version: "4.4.0"
   json_serializable:
     dependency: "direct dev"
     description:
       name: json_serializable
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.1.4"
+    version: "6.1.4"
   local_auth:
     dependency: "direct main"
     description:
       name: local_auth
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.7"
+    version: "1.1.10"
   logging:
     dependency: transitive
     description:
       name: logging
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.1"
+    version: "1.0.2"
   markdown:
     dependency: transitive
     description:
       name: markdown
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.0.0"
+    version: "4.0.1"
   matcher:
     dependency: transitive
     description:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
+  material_color_utilities:
+    dependency: transitive
+    description:
+      name: material_color_utilities
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.3"
   meta:
     dependency: transitive
     description:
@@ -524,7 +531,7 @@ packages:
       name: mime
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.0"
+    version: "1.0.1"
   modal_bottom_sheet:
     dependency: "direct main"
     description:
@@ -559,7 +566,7 @@ packages:
       name: package_config
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.0.2"
   package_info:
     dependency: "direct main"
     description:
@@ -580,70 +587,77 @@ packages:
       name: path_provider
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.2"
+    version: "2.0.8"
+  path_provider_android:
+    dependency: transitive
+    description:
+      name: path_provider_android
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.11"
+  path_provider_ios:
+    dependency: transitive
+    description:
+      name: path_provider_ios
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.7"
   path_provider_linux:
     dependency: transitive
     description:
       name: path_provider_linux
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.2"
+    version: "2.1.5"
   path_provider_macos:
     dependency: transitive
     description:
       name: path_provider_macos
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.2"
+    version: "2.0.5"
   path_provider_platform_interface:
     dependency: transitive
     description:
       name: path_provider_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.1"
+    version: "2.0.3"
   path_provider_windows:
     dependency: transitive
     description:
       name: path_provider_windows
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.3"
-  pedantic:
-    dependency: transitive
-    description:
-      name: pedantic
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.11.1"
+    version: "2.0.5"
   petitparser:
     dependency: transitive
     description:
       name: petitparser
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.1.0"
+    version: "4.4.0"
   platform:
     dependency: transitive
     description:
       name: platform
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.2"
+    version: "3.1.0"
   plugin_platform_interface:
     dependency: transitive
     description:
       name: plugin_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.1"
+    version: "2.1.2"
   pointycastle:
     dependency: "direct main"
     description:
       name: pointycastle
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.3.2"
+    version: "3.5.0"
   pool:
     dependency: transitive
     description:
@@ -664,35 +678,35 @@ packages:
       name: process
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.2.3"
+    version: "4.2.4"
   provider:
     dependency: "direct main"
     description:
       name: provider
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "6.0.0"
+    version: "6.0.2"
   pub_semver:
     dependency: transitive
     description:
       name: pub_semver
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.0"
   pubspec_parse:
     dependency: transitive
     description:
       name: pubspec_parse
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.0"
+    version: "1.2.0"
   quiver:
     dependency: transitive
     description:
       name: quiver
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.1"
+    version: "3.0.1+1"
   rsa_encrypt:
     dependency: "direct main"
     description:
@@ -706,7 +720,7 @@ packages:
       name: share_plus
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.4"
+    version: "2.2.0"
   share_plus_linux:
     dependency: transitive
     description:
@@ -748,14 +762,28 @@ packages:
       name: shared_preferences
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.7"
+    version: "2.0.13"
+  shared_preferences_android:
+    dependency: transitive
+    description:
+      name: shared_preferences_android
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.10"
+  shared_preferences_ios:
+    dependency: transitive
+    description:
+      name: shared_preferences_ios
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.9"
   shared_preferences_linux:
     dependency: transitive
     description:
       name: shared_preferences_linux
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.2"
+    version: "2.0.4"
   shared_preferences_macos:
     dependency: transitive
     description:
@@ -776,14 +804,14 @@ packages:
       name: shared_preferences_web
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.2"
+    version: "2.0.3"
   shared_preferences_windows:
     dependency: transitive
     description:
       name: shared_preferences_windows
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.2"
+    version: "2.0.4"
   shelf:
     dependency: transitive
     description:
@@ -823,14 +851,14 @@ packages:
       name: source_gen
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.3"
+    version: "1.2.1"
   source_helper:
     dependency: transitive
     description:
       name: source_helper
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.1"
+    version: "1.3.1"
   source_map_stack_trace:
     dependency: transitive
     description:
@@ -858,7 +886,7 @@ packages:
       name: ssh_key
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.7.0"
+    version: "0.7.1"
   stack_trace:
     dependency: transitive
     description:
@@ -900,21 +928,21 @@ packages:
       name: test
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.17.10"
+    version: "1.19.5"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.8"
   test_core:
     dependency: transitive
     description:
       name: test_core
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.0"
+    version: "0.4.9"
   timing:
     dependency: transitive
     description:
@@ -942,35 +970,49 @@ packages:
       name: url_launcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "6.0.9"
+    version: "6.0.18"
+  url_launcher_android:
+    dependency: transitive
+    description:
+      name: url_launcher_android
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.0.14"
+  url_launcher_ios:
+    dependency: transitive
+    description:
+      name: url_launcher_ios
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.0.14"
   url_launcher_linux:
     dependency: transitive
     description:
       name: url_launcher_linux
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.1"
+    version: "2.0.3"
   url_launcher_macos:
     dependency: transitive
     description:
       name: url_launcher_macos
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.1"
+    version: "2.0.3"
   url_launcher_platform_interface:
     dependency: transitive
     description:
       name: url_launcher_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.4"
+    version: "2.0.5"
   url_launcher_web:
     dependency: transitive
     description:
       name: url_launcher_web
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.4"
+    version: "2.0.8"
   url_launcher_windows:
     dependency: transitive
     description:
@@ -984,56 +1026,56 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   vm_service:
     dependency: transitive
     description:
       name: vm_service
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "6.2.0"
+    version: "7.5.0"
   wakelock:
     dependency: "direct main"
     description:
       name: wakelock
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.5.3+3"
+    version: "0.5.6"
   wakelock_macos:
     dependency: transitive
     description:
       name: wakelock_macos
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.0+2"
+    version: "0.4.0"
   wakelock_platform_interface:
     dependency: transitive
     description:
       name: wakelock_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.1+2"
+    version: "0.3.0"
   wakelock_web:
     dependency: transitive
     description:
       name: wakelock_web
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.0+2"
+    version: "0.4.0"
   wakelock_windows:
     dependency: transitive
     description:
       name: wakelock_windows
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.0+1"
+    version: "0.2.0"
   watcher:
     dependency: transitive
     description:
       name: watcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.0"
+    version: "1.0.1"
   web_socket_channel:
     dependency: transitive
     description:
@@ -1054,21 +1096,21 @@ packages:
       name: win32
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.2.7"
+    version: "2.3.11"
   xdg_directories:
     dependency: transitive
     description:
       name: xdg_directories
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.0"
+    version: "0.2.0+1"
   xml:
     dependency: transitive
     description:
       name: xml
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "5.1.2"
+    version: "5.3.1"
   yaml:
     dependency: transitive
     description:
@@ -1077,5 +1119,5 @@ packages:
     source: hosted
     version: "3.1.0"
 sdks:
-  dart: ">=2.13.4 <3.0.0"
-  flutter: ">=2.5.0"
+  dart: ">=2.15.0 <3.0.0"
+  flutter: ">=2.10.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index 88a6a95d..2ad267ae 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -5,7 +5,7 @@ version: 0.4.2+10
 
 environment:
   sdk: '>=2.13.4 <3.0.0'
-  flutter: ">=2.5.0"
+  flutter: ">=2.10.0"
 
 dependencies:
   flutter:
@@ -47,7 +47,7 @@ dev_dependencies:
   build_runner: ^2.1.1
   flutter_launcher_icons: ^0.9.0
   hive_generator: ^1.0.0
-  json_serializable: ^4.0.2
+  json_serializable: ^6.1.4
 
 flutter_icons:
   android: "launcher_icon"