diff --git a/packages/flutter_tools/lib/src/macos/swift_package_manager.dart b/packages/flutter_tools/lib/src/macos/swift_package_manager.dart
index e2f06200831..070f9616f9e 100644
--- a/packages/flutter_tools/lib/src/macos/swift_package_manager.dart
+++ b/packages/flutter_tools/lib/src/macos/swift_package_manager.dart
@@ -33,13 +33,13 @@ class SwiftPackageManager {
   static final SwiftPackageSupportedPlatform iosSwiftPackageSupportedPlatform =
       SwiftPackageSupportedPlatform(
         platform: SwiftPackagePlatform.ios,
-        version: Version(12, 0, null),
+        version: Version(13, 0, null),
       );
 
   static final SwiftPackageSupportedPlatform macosSwiftPackageSupportedPlatform =
       SwiftPackageSupportedPlatform(
         platform: SwiftPackagePlatform.macos,
-        version: Version(10, 14, null),
+        version: Version(10, 15, null),
       );
 
   /// Creates a Swift Package called 'FlutterGeneratedPluginSwiftPackage' that
diff --git a/packages/flutter_tools/test/general.shard/macos/swift_package_manager_test.dart b/packages/flutter_tools/test/general.shard/macos/swift_package_manager_test.dart
index f57bd763612..5c15b095547 100644
--- a/packages/flutter_tools/test/general.shard/macos/swift_package_manager_test.dart
+++ b/packages/flutter_tools/test/general.shard/macos/swift_package_manager_test.dart
@@ -80,7 +80,7 @@ void main() {
             await spm.generatePluginsSwiftPackage(<Plugin>[], platform, project);
 
             final String supportedPlatform =
-                platform == SupportedPlatform.ios ? '.iOS("12.0")' : '.macOS("10.14")';
+                platform == SupportedPlatform.ios ? '.iOS("13.0")' : '.macOS("10.15")';
             expect(project.flutterPluginSwiftPackageManifest.existsSync(), isTrue);
             expect(project.flutterPluginSwiftPackageManifest.readAsStringSync(), '''
 // swift-tools-version: 5.9
@@ -133,7 +133,7 @@ $_doubleIndent
             await spm.generatePluginsSwiftPackage(<Plugin>[validPlugin1], platform, project);
 
             final String supportedPlatform =
-                platform == SupportedPlatform.ios ? '.iOS("12.0")' : '.macOS("10.14")';
+                platform == SupportedPlatform.ios ? '.iOS("13.0")' : '.macOS("10.15")';
             expect(project.flutterPluginSwiftPackageManifest.existsSync(), isTrue);
             expect(project.flutterPluginSwiftPackageManifest.readAsStringSync(), '''
 // swift-tools-version: 5.9
@@ -223,7 +223,7 @@ let package = Package(
             );
 
             final String supportedPlatform =
-                platform == SupportedPlatform.ios ? '.iOS("12.0")' : '.macOS("10.14")';
+                platform == SupportedPlatform.ios ? '.iOS("13.0")' : '.macOS("10.15")';
             expect(project.flutterPluginSwiftPackageManifest.existsSync(), isTrue);
             expect(project.flutterPluginSwiftPackageManifest.readAsStringSync(), '''
 // swift-tools-version: 5.9
@@ -268,7 +268,7 @@ let package = Package(
               fileSystem: fs,
             );
             final String supportedPlatform =
-                platform == SupportedPlatform.ios ? '.iOS("12.0")' : '.macOS("10.14")';
+                platform == SupportedPlatform.ios ? '.iOS("13.0")' : '.macOS("10.15")';
             project.flutterPluginSwiftPackageManifest.createSync(recursive: true);
             project.flutterPluginSwiftPackageManifest.writeAsStringSync(supportedPlatform);
             SwiftPackageManager.updateMinimumDeployment(
@@ -289,7 +289,7 @@ let package = Package(
               fileSystem: fs,
             );
             final String supportedPlatform =
-                platform == SupportedPlatform.ios ? '.iOS("12.0")' : '.macOS("10.14")';
+                platform == SupportedPlatform.ios ? '.iOS("13.0")' : '.macOS("10.15")';
             project.flutterPluginSwiftPackageManifest.createSync(recursive: true);
             project.flutterPluginSwiftPackageManifest.writeAsStringSync(supportedPlatform);
             SwiftPackageManager.updateMinimumDeployment(
@@ -310,13 +310,13 @@ let package = Package(
               fileSystem: fs,
             );
             final String supportedPlatform =
-                platform == SupportedPlatform.ios ? '.iOS("12.0")' : '.macOS("10.14")';
+                platform == SupportedPlatform.ios ? '.iOS("13.0")' : '.macOS("10.15")';
             project.flutterPluginSwiftPackageManifest.createSync(recursive: true);
             project.flutterPluginSwiftPackageManifest.writeAsStringSync(supportedPlatform);
             SwiftPackageManager.updateMinimumDeployment(
               project: project,
               platform: platform,
-              deploymentTarget: platform == SupportedPlatform.ios ? '12.0' : '10.14',
+              deploymentTarget: platform == SupportedPlatform.ios ? '13.0' : '10.15',
             );
             expect(
               project.flutterPluginSwiftPackageManifest.readAsLinesSync(),
@@ -331,7 +331,7 @@ let package = Package(
               fileSystem: fs,
             );
             final String supportedPlatform =
-                platform == SupportedPlatform.ios ? '.iOS("12.0")' : '.macOS("10.14")';
+                platform == SupportedPlatform.ios ? '.iOS("13.0")' : '.macOS("10.15")';
             project.flutterPluginSwiftPackageManifest.createSync(recursive: true);
             project.flutterPluginSwiftPackageManifest.writeAsStringSync(supportedPlatform);
             SwiftPackageManager.updateMinimumDeployment(