diff --git a/bin/cache/engine.version b/bin/cache/engine.version
index 428b78c1cf..468d32f888 100644
--- a/bin/cache/engine.version
+++ b/bin/cache/engine.version
@@ -1 +1 @@
-57043227981727ae8ceb1d51514a2e0d14bf53f9
+284929b60543c282419208bce4b26772e9cf0ff1
diff --git a/packages/flutter_tools/lib/src/build_configuration.dart b/packages/flutter_tools/lib/src/build_configuration.dart
index a352bc1729..924ec312fb 100644
--- a/packages/flutter_tools/lib/src/build_configuration.dart
+++ b/packages/flutter_tools/lib/src/build_configuration.dart
@@ -15,12 +15,12 @@ enum BuildType {
   debug,
 }
 
-/// The type of build - `debug` or `deploy`.
+/// The type of build - `debug` or `release`.
 ///
 /// TODO(devoncarew): Add a `profile` mode.
 enum BuildMode {
   debug,
-  deploy
+  release
 }
 
 String getModeName(BuildMode mode) => getEnumName(mode);
diff --git a/packages/flutter_tools/lib/src/cache.dart b/packages/flutter_tools/lib/src/cache.dart
index 863fb9ee84..13ea9494a0 100644
--- a/packages/flutter_tools/lib/src/cache.dart
+++ b/packages/flutter_tools/lib/src/cache.dart
@@ -189,7 +189,7 @@ class FlutterEngine {
   List<String> _getEngineDirs() {
     List<String> dirs = <String>[
       'android-arm',
-      'android-arm-deploy',
+      'android-arm-release',
       'android-x64'
     ];
 
diff --git a/packages/flutter_tools/lib/src/commands/build_apk.dart b/packages/flutter_tools/lib/src/commands/build_apk.dart
index a723ec17a3..21fd1a3e6f 100644
--- a/packages/flutter_tools/lib/src/commands/build_apk.dart
+++ b/packages/flutter_tools/lib/src/commands/build_apk.dart
@@ -170,8 +170,8 @@ class BuildApkCommand extends FlutterCommand {
 
   @override
   final String description = 'Build an Android APK file from your app.\n\n'
-    'This command can build development and deployable versions of your application. \'debug\' builds\n'
-    'support debugging and a quick development cycle. \'deploy\' builds don\'t support debugging and are\n'
+    'This command can build debug and release versions of your application. \'debug\' builds support\n'
+    'debugging and a quick development cycle. \'release\' builds don\'t support debugging and are\n'
     'suitable for deploying to app stores.';
 
   @override
diff --git a/packages/flutter_tools/lib/src/runner/flutter_command.dart b/packages/flutter_tools/lib/src/runner/flutter_command.dart
index 6c56269f1b..406858cf74 100644
--- a/packages/flutter_tools/lib/src/runner/flutter_command.dart
+++ b/packages/flutter_tools/lib/src/runner/flutter_command.dart
@@ -64,18 +64,18 @@ abstract class FlutterCommand extends Command {
     argParser.addFlag('debug',
       negatable: false,
       help: 'Build a debug version of your app (the default).');
-    argParser.addFlag('deploy',
+    argParser.addFlag('release',
       negatable: false,
-      help: 'Build a deployable version of your app.');
+      help: 'Build a release version of your app.');
   }
 
   BuildMode getBuildMode() {
-    if (argResults['debug'] && argResults['deploy'])
-      throw new UsageException('Only one of --debug or --deploy should be specified.', null);
+    if (argResults['debug'] && argResults['release'])
+      throw new UsageException('Only one of --debug or --release should be specified.', null);
 
     BuildMode mode = BuildMode.debug;
-    if (argResults['deploy'])
-      mode = BuildMode.deploy;
+    if (argResults['release'])
+      mode = BuildMode.release;
     return mode;
   }
 
diff --git a/packages/flutter_tools/lib/src/toolchain.dart b/packages/flutter_tools/lib/src/toolchain.dart
index d74b26eea8..74a05c344f 100644
--- a/packages/flutter_tools/lib/src/toolchain.dart
+++ b/packages/flutter_tools/lib/src/toolchain.dart
@@ -162,9 +162,9 @@ class ToolConfiguration {
       return new Directory(path.join(engineSrcPath, 'out/${type}_$_modeStr'));
     } else {
       // For now, only suffix for deploy variants.
-      String suffix = mode == BuildMode.deploy ? '-${getModeName(mode)}' : '';
+      String suffix = mode == BuildMode.release ? '-${getModeName(mode)}' : '';
 
-      // Create something like `android-arm` or `android-arm-deploy`.
+      // Create something like `android-arm` or `android-arm-release`.
       String dirName = getNameForTargetPlatform(platform) + suffix;
       Directory engineDir = _cache.getArtifactDirectory('engine');
       return new Directory(path.join(engineDir.path, dirName));
diff --git a/packages/flutter_tools/test/toolchain_test.dart b/packages/flutter_tools/test/toolchain_test.dart
index 159e839479..aaae0096a1 100644
--- a/packages/flutter_tools/test/toolchain_test.dart
+++ b/packages/flutter_tools/test/toolchain_test.dart
@@ -37,8 +37,8 @@ void main() {
         endsWith('cache/artifacts/engine/android-arm')
       );
       expect(
-        toolConfig.getEngineArtifactsDirectory(TargetPlatform.android_arm, BuildMode.deploy).path,
-        endsWith('cache/artifacts/engine/android-arm-deploy')
+        toolConfig.getEngineArtifactsDirectory(TargetPlatform.android_arm, BuildMode.release).path,
+        endsWith('cache/artifacts/engine/android-arm-release')
       );
     });