diff --git a/CHANGELOG.md b/CHANGELOG.md
index 41d2918..b4ef075 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## 0.3.0
+
+### New Features
+
+- Add `Source` request creation using the omise API.
+
 ## 0.2.0
 
 ### Breaking Changes
diff --git a/README.md b/README.md
index 9c4afd8..4f08ff4 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@ To use the package, first add it to your project by including the following in y
 
 ```yaml
 dependencies:
-  omise_dart: ^0.2.0
+  omise_dart: ^0.3.0
 ```
 
 Then, run:
diff --git a/lib/src/package_info.dart b/lib/src/package_info.dart
index 32df9e9..5d67cbb 100644
--- a/lib/src/package_info.dart
+++ b/lib/src/package_info.dart
@@ -11,7 +11,7 @@ class PackageInfo {
   /// The version of the package.
   ///
   /// This constant holds the package's version as defined in `pubspec.yaml`.
-  static const String packageVersion = '0.2.0';
+  static const String packageVersion = '0.3.0';
 
   static const String userAgentIdentifier = "OmiseDart";
 }
diff --git a/pubspec.yaml b/pubspec.yaml
index b9e16d2..9773221 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,7 +1,7 @@
 name: omise_dart
 description: A Dart SDK that serves as an API wrapper for the Omise API.
 
-version: 0.2.0
+version: 0.3.0
 repository: https://github.com/omise/omise_dart
 
 environment:
diff --git a/test/package_info_test.dart b/test/package_info_test.dart
index ea50859..ac861d0 100644
--- a/test/package_info_test.dart
+++ b/test/package_info_test.dart
@@ -12,7 +12,7 @@ void main() {
     });
 
     test('should return correct package version', () {
-      expect(PackageInfo.packageVersion, '0.2.0');
+      expect(PackageInfo.packageVersion, '0.3.0');
     });
   });
 }