diff --git a/.travis.yml b/.travis.yml
index fe76a9c218..388537ff48 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,7 +5,7 @@ language: dart
 
 dart:
   # Keep version in-sync with Dockerfile and app/lib/shared/versions.dart
-  - 2.0.0-dev.40.0
+  - 2.0.0-dev.46.0
 
 env:
   - PKG=app TASK=dartanalyzer
diff --git a/Dockerfile b/Dockerfile
index eabc723244..a5a529e292 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,5 @@
 # Keep version in-sync with .travis.yml and app/lib/shared/versions.dart
-FROM google/dart-runtime-base:2.0.0-dev.40.0
+FROM google/dart-runtime-base:2.0.0-dev.46.0
 
 # `apt-mark hold dart` ensures that Dart is not upgraded with the other packages
 #   We want to make sure SDK upgrades are explicit.
diff --git a/app/.travis.yml b/app/.travis.yml
index faa32a0053..8d2408b4d4 100644
--- a/app/.travis.yml
+++ b/app/.travis.yml
@@ -2,7 +2,7 @@ language: dart
 
 dart:
   # Keep version in-sync with Dockerfile
-  - 2.0.0-dev.40.0
+  - 2.0.0-dev.46.0
 
 dart_task:
   - test
diff --git a/app/lib/shared/versions.dart b/app/lib/shared/versions.dart
index 7ead52c70e..61b4e63639 100644
--- a/app/lib/shared/versions.dart
+++ b/app/lib/shared/versions.dart
@@ -7,23 +7,23 @@ import 'package:pub_semver/pub_semver.dart';
 import 'utils.dart' show isNewer;
 
 // update this whenever one of the other versions change
-final String runtimeVersion = '2018.3.23';
+final String runtimeVersion = '2018.4.7';
 final Version semanticRuntimeVersion = new Version.parse(runtimeVersion);
 
 // keep in-sync with SDK version in .travis.yml and Dockerfile
-final String sdkVersion = '2.0.0-dev.40.0';
+final String sdkVersion = '2.0.0-dev.46.0';
 final Version semanticSdkVersion = new Version.parse(sdkVersion);
 
 // keep in-sync with app/pubspec.yaml
-final String panaVersion = '0.10.5';
+final String panaVersion = '0.10.6';
 final Version semanticPanaVersion = new Version.parse(panaVersion);
 
 // keep in-sync with app/script/setup-flutter.sh
-final String flutterVersion = '0.2.4';
+final String flutterVersion = '0.2.9';
 final Version semanticFlutterVersion = new Version.parse(flutterVersion);
 
 // keep in-sync with SDK version in .travis.yml and Dockerfile
-final String dartdocVersion = '0.17.1+1';
+final String dartdocVersion = '0.18.1';
 final Version semanticDartdocVersion = new Version.parse(dartdocVersion);
 
 /// The version of our customization going into the output of the dartdoc static
@@ -33,7 +33,7 @@ final Version semanticCustomizationVersion =
     new Version.parse(customizationVersion);
 
 // Version that control the dartdoc serving.
-final dartdocServingRuntime = new Version.parse('2018.3.23');
+final dartdocServingRuntime = new Version.parse('2018.4.7');
 
 // Version that marks the default runtime version for analyzer entries created
 // before the runtime version was tracked.
diff --git a/app/pubspec.lock b/app/pubspec.lock
index d13ba04279..32a9fdf976 100644
--- a/app/pubspec.lock
+++ b/app/pubspec.lock
@@ -392,7 +392,7 @@ packages:
       name: pana
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.10.5"
+    version: "0.10.6"
   path:
     dependency: "direct main"
     description:
@@ -583,4 +583,4 @@ packages:
     source: hosted
     version: "2.1.13"
 sdks:
-  dart: ">=2.0.0-dev.23.0 <=2.0.0-dev.40.0"
+  dart: ">=2.0.0-dev.40.0 <=2.0.0-dev.46.0"
diff --git a/app/pubspec.yaml b/app/pubspec.yaml
index de6533db74..eff95e2063 100644
--- a/app/pubspec.yaml
+++ b/app/pubspec.yaml
@@ -32,7 +32,7 @@ dependencies:
   yaml: '^2.1.12'
   # pana version to be pinned
   # keep in-sync with app/lib/shared/versions.dart
-  pana: '0.10.5'
+  pana: '0.10.6'
   # 3rd-party packages with pinned versions
   archive: '1.0.33'
   uuid: '0.5.3'
diff --git a/app/script/setup-flutter.sh b/app/script/setup-flutter.sh
index dcaf22ea2c..0afd1b76c2 100755
--- a/app/script/setup-flutter.sh
+++ b/app/script/setup-flutter.sh
@@ -22,7 +22,7 @@ then
   exit 1
 fi
 
-git clone -b v0.2.4 --single-branch https://github.com/flutter/flutter.git $FLUTTER_SDK
+git clone -b v0.2.9 --single-branch https://github.com/flutter/flutter.git $FLUTTER_SDK
 
 # Keep in-sync with app/lib/shared/versions.dart
 cd $FLUTTER_SDK
diff --git a/app/test/shared/versions_test.dart b/app/test/shared/versions_test.dart
index e63c7ecf70..18c1a9f8f1 100644
--- a/app/test/shared/versions_test.dart
+++ b/app/test/shared/versions_test.dart
@@ -19,7 +19,7 @@ void main() {
       dartdocVersion,
       customizationVersion,
     ].join('//').hashCode;
-    expect(hash, 610463204);
+    expect(hash, 927882828);
   });
 
   test('sdk version should match travis and dockerfile', () async {