diff --git a/lib/flag_widget.dart b/lib/flag_widget.dart
index a5a3b50..cd6a22e 100644
--- a/lib/flag_widget.dart
+++ b/lib/flag_widget.dart
@@ -17,7 +17,7 @@ class Flag extends StatelessWidget {
   final String country;
 
   /// The flag to display. Enum value for `FlagsCode`.
-  /// If this inputed, `country` will be ingnore.
+  /// If this is set, `country` will be ignored.
   ///
   /// This value listed in https://github.com/LunaGao/flag_flutter/blob/master/un_members.txt.
   final FlagsCode countryCode;
@@ -41,7 +41,7 @@ class Flag extends StatelessWidget {
   /// FlagsCode.
   ///
   /// You can using `Flag.flagsCode.contains('YOUR_FLAG_CODE'.toLowerCase())` to
-  /// check if the Flagcode included in the list.
+  /// check if the flag code included in the list.
   /// Example:
   /// ```
   /// if (Flag.flagsCode.contains('AF'.toLowerCase()))
diff --git a/pubspec.lock b/pubspec.lock
index 76575b7..0722ecb 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -7,7 +7,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.8.2"
   boolean_selector:
     dependency: transitive
     description:
@@ -21,7 +21,7 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   charcode:
     dependency: transitive
     description:
@@ -68,7 +68,7 @@ packages:
       name: flutter_svg
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.23.0+1"
+    version: "1.0.0"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -80,7 +80,7 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.11"
   meta:
     dependency: transitive
     description:
@@ -101,21 +101,21 @@ packages:
       name: path_drawing
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.5.1"
+    version: "1.0.0"
   path_parsing:
     dependency: transitive
     description:
       name: path_parsing
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.1"
+    version: "1.0.0"
   petitparser:
     dependency: transitive
     description:
       name: petitparser
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.0.2"
+    version: "4.4.0"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -162,7 +162,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
+    version: "0.4.3"
   typed_data:
     dependency: transitive
     description:
@@ -176,14 +176,14 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   xml:
     dependency: transitive
     description:
       name: xml
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "5.0.2"
+    version: "5.3.1"
 sdks:
-  dart: ">=2.12.0 <3.0.0"
+  dart: ">=2.14.0 <3.0.0"
   flutter: ">=1.24.0-7.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index 5bdc569..3d31633 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -4,12 +4,12 @@ version: 5.0.1
 homepage: https://github.com/LunaGao/flag_flutter
 
 environment:
-  sdk: ">=2.12.0 <3.0.0"
+  sdk: '>=2.12.0 <3.0.0'
 
 dependencies:
   flutter:
     sdk: flutter
-  flutter_svg: ^0.23.0+1
+  flutter_svg: ^1.0.0
   enum_to_string: ^2.0.1
 
 dev_dependencies: