diff --git a/CHANGELOG.md b/CHANGELOG.md
index 25d0ae2..42ce77f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,10 @@
+### 2.1.0
+
+* Added `localeName`
+* Bumped minimum Dart SDK version to 1.24.0-dev.0.0
+
 ### 2.0.0
+
 * Added `stdinSupportsAnsi` and `stdinSupportsAnsi`
 * Removed `ansiSupported`
 
diff --git a/lib/src/interface/local_platform.dart b/lib/src/interface/local_platform.dart
index c90256a..27c1871 100644
--- a/lib/src/interface/local_platform.dart
+++ b/lib/src/interface/local_platform.dart
@@ -52,4 +52,7 @@
 
   @override
   bool get stdoutSupportsAnsi => io.stdout.supportsAnsiEscapes;
+
+  @override
+  String get localeName => io.Platform.localeName;
 }
diff --git a/lib/src/interface/platform.dart b/lib/src/interface/platform.dart
index c750108..1ebc5a9 100644
--- a/lib/src/interface/platform.dart
+++ b/lib/src/interface/platform.dart
@@ -120,6 +120,9 @@
   /// When stdout is connected to a terminal, whether ANSI codes are supported.
   bool get stdoutSupportsAnsi;
 
+  /// Get the name of the current locale.
+  String get localeName;
+
   /// Returns a JSON-encoded representation of this platform.
   String toJson() {
     return const JsonEncoder.withIndent('  ').convert(<String, dynamic>{
@@ -137,6 +140,7 @@
       'version': version,
       'stdinSupportsAnsi': stdinSupportsAnsi,
       'stdoutSupportsAnsi': stdoutSupportsAnsi,
+      'localeName': localeName,
     });
   }
 }
diff --git a/lib/src/testing/fake_platform.dart b/lib/src/testing/fake_platform.dart
index 16b8092..062930d 100644
--- a/lib/src/testing/fake_platform.dart
+++ b/lib/src/testing/fake_platform.dart
@@ -27,6 +27,7 @@
     this.version,
     this.stdinSupportsAnsi,
     this.stdoutSupportsAnsi,
+    this.localeName,
   });
 
   /// Creates a new [FakePlatform] with properties whose initial values mirror
@@ -46,7 +47,8 @@
         packageConfig = platform.packageConfig,
         version = platform.version,
         stdinSupportsAnsi = platform.stdinSupportsAnsi,
-        stdoutSupportsAnsi = platform.stdoutSupportsAnsi;
+        stdoutSupportsAnsi = platform.stdoutSupportsAnsi,
+        localeName = platform.localeName;
 
   /// Creates a new [FakePlatform] with properties extracted from the encoded
   /// JSON string.
@@ -70,6 +72,7 @@
       version: map['version'],
       stdinSupportsAnsi: map['stdinSupportsAnsi'],
       stdoutSupportsAnsi: map['stdoutSupportsAnsi'],
+      localeName: map['localeName'],
     );
   }
 
@@ -114,4 +117,7 @@
 
   @override
   bool stdoutSupportsAnsi;
+
+  @override
+  String localeName;
 }
diff --git a/pubspec.yaml b/pubspec.yaml
index ab7c8e9..591da6f 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: platform
-version: 2.0.0
+version: 2.1.0
 authors:
 - Todd Volkert <tvolkert@google.com>
 description: A pluggable, mockable platform abstraction for Dart.
@@ -9,4 +9,4 @@
   test: ^0.12.10
 
 environment:
-  sdk: '>=1.23.0-dev.10.0 <2.0.0'
+  sdk: '>=1.24.0-dev.0.0 <2.0.0'
diff --git a/test/fake_platform_test.dart b/test/fake_platform_test.dart
index c294dd9..1fa7e8f 100644
--- a/test/fake_platform_test.dart
+++ b/test/fake_platform_test.dart
@@ -20,6 +20,7 @@
   expect(actual.packageRoot, expected.packageRoot);
   expect(actual.packageConfig, expected.packageConfig);
   expect(actual.version, expected.version);
+  expect(actual.localeName, expected.localeName);
 }
 
 void main() {
@@ -75,6 +76,7 @@
         expect(fake.packageRoot, null);
         expect(fake.packageConfig, null);
         expect(fake.version, '1.22.0');
+        expect(fake.localeName, 'de/de');
       });
 
       test('fromJsonToJson', () {
diff --git a/test/platform.json b/test/platform.json
index df772c6..a39381c 100644
--- a/test/platform.json
+++ b/test/platform.json
@@ -15,5 +15,6 @@
   ],
   "packageRoot": null,
   "packageConfig": null,
-  "version": "1.22.0"
+  "version": "1.22.0",
+  "localeName": "de/de"
 }
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