diff --git a/pubspec.lock b/pubspec.lock
index dd7b1fc..148f1df 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -1,5 +1,5 @@
 # Generated by pub
-# See https://www.dartlang.org/tools/pub/glossary#lockfile
+# See https://dart.dev/tools/pub/glossary#lockfile
 packages:
   android_intent:
     dependency: "direct main"
@@ -7,7 +7,7 @@ packages:
       name: android_intent
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.3.0+2"
+    version: "0.3.2"
   args:
     dependency: transitive
     description:
@@ -21,7 +21,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.2.0"
   boolean_selector:
     dependency: transitive
     description:
@@ -35,7 +35,7 @@ packages:
       name: cached_network_image
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.8.0"
+    version: "1.1.1"
   charcode:
     dependency: transitive
     description:
@@ -77,7 +77,7 @@ packages:
       name: file_picker
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.5"
+    version: "1.3.8"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -89,7 +89,7 @@ packages:
       name: flutter_cache_manager
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.3.2"
+    version: "1.1.1"
   flutter_markdown:
     dependency: "direct main"
     description:
@@ -157,21 +157,21 @@ packages:
       name: path_provider
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.5.0+1"
+    version: "1.2.0"
   pedantic:
     dependency: transitive
     description:
       name: pedantic
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.5.0"
+    version: "1.7.0"
   permission_handler:
     dependency: "direct main"
     description:
       name: permission_handler
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.1.0"
+    version: "3.2.1+1"
   platform:
     dependency: transitive
     description:
@@ -185,21 +185,21 @@ packages:
       name: quiver
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.2"
+    version: "2.0.3"
   share:
     dependency: "direct main"
     description:
       name: share
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.6.1+1"
+    version: "0.6.2+1"
   shared_preferences:
     dependency: "direct main"
     description:
       name: shared_preferences
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.5.3+1"
+    version: "0.5.3+4"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -218,7 +218,7 @@ packages:
       name: sqflite
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.5"
+    version: "1.1.6+2"
   stack_trace:
     dependency: transitive
     description:
@@ -246,7 +246,7 @@ packages:
       name: synchronized
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.0+1"
   term_glyph:
     dependency: transitive
     description:
@@ -260,7 +260,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.4"
+    version: "0.2.5"
   typed_data:
     dependency: transitive
     description:
@@ -274,14 +274,14 @@ packages:
       name: url_launcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "5.0.3"
+    version: "5.1.0"
   uuid:
     dependency: transitive
     description:
       name: uuid
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.1"
+    version: "2.0.2"
   vector_math:
     dependency: transitive
     description:
@@ -290,5 +290,5 @@ packages:
     source: hosted
     version: "2.0.8"
 sdks:
-  dart: ">=2.2.0 <3.0.0"
-  flutter: ">=1.5.0 <2.0.0"
+  dart: ">=2.2.2 <3.0.0"
+  flutter: ">=1.6.0 <2.0.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index 2a53e13..6b39538 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -11,7 +11,7 @@ description: A new Flutter project.
 # In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion.
 # Read more about iOS versioning at
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
-version: 0.1.1+6
+version: 0.1.2+7
 
 environment:
   sdk: ">=2.1.0 <3.0.0"
@@ -22,20 +22,20 @@ dependencies:
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.
-  cupertino_icons:
 
-  file_picker:
-  sqflite:
-  path_provider:
-  permission_handler:
-  http:
-  intl:
-  cached_network_image:
-  android_intent:
-  shared_preferences:
-  share:
-  url_launcher:
-  flutter_markdown:
+  android_intent: ^0.3.1
+  cached_network_image: ^1.1.0
+  cupertino_icons: ^0.1.2
+  file_picker: ^1.3.8
+  flutter_markdown: ^0.2.0
+  http: ^0.12.0
+  intl: ^0.15.8
+  path_provider: ^1.1.2
+  permission_handler: ^3.2.0
+  share: ^0.6.2
+  shared_preferences: ^0.5.3
+  sqflite: ^1.1.6
+  url_launcher: ^5.1.0
 
 dev_dependencies:
   flutter_test: