diff --git a/dev/benchmarks/complex_layout/android/app/build.gradle b/dev/benchmarks/complex_layout/android/app/build.gradle
index a64c0c4458..48c3ec7e48 100644
--- a/dev/benchmarks/complex_layout/android/app/build.gradle
+++ b/dev/benchmarks/complex_layout/android/app/build.gradle
@@ -15,7 +15,7 @@ apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
 
     lintOptions {
         disable 'InvalidPackage'
diff --git a/dev/benchmarks/macrobenchmarks/android/app/build.gradle b/dev/benchmarks/macrobenchmarks/android/app/build.gradle
index 6544780707..fb20dc4ab1 100644
--- a/dev/benchmarks/macrobenchmarks/android/app/build.gradle
+++ b/dev/benchmarks/macrobenchmarks/android/app/build.gradle
@@ -25,7 +25,7 @@ apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
 
     lintOptions {
         disable 'InvalidPackage'
diff --git a/dev/benchmarks/microbenchmarks/android/app/build.gradle b/dev/benchmarks/microbenchmarks/android/app/build.gradle
index 97f9e5019e..bfba823636 100644
--- a/dev/benchmarks/microbenchmarks/android/app/build.gradle
+++ b/dev/benchmarks/microbenchmarks/android/app/build.gradle
@@ -15,7 +15,7 @@ apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
 
     lintOptions {
         disable 'InvalidPackage'
diff --git a/dev/bots/VERSION_LINUX_SDK b/dev/bots/VERSION_LINUX_SDK
index eb15cf70fb..4e9f86f75e 100644
--- a/dev/bots/VERSION_LINUX_SDK
+++ b/dev/bots/VERSION_LINUX_SDK
@@ -1 +1 @@
-1db7fd4c472869bc1c879d7da32966f1c802e49e
+7690a8ffe9ad4e7e65382c721bc1d8ba0e3829ef.tar.gz
diff --git a/dev/bots/VERSION_MACOSX_SDK b/dev/bots/VERSION_MACOSX_SDK
index 227cbcf5e3..08eba1702a 100644
--- a/dev/bots/VERSION_MACOSX_SDK
+++ b/dev/bots/VERSION_MACOSX_SDK
@@ -1 +1 @@
-a1500974e4d0ed0605f78860b06cf541575859e5
+c09a7d34318f0574972a4bc9cd4b4ffa0eb267af
diff --git a/dev/integration_tests/android_host_app/app/build.gradle b/dev/integration_tests/android_host_app/app/build.gradle
index fa63f143ba..57e939e272 100644
--- a/dev/integration_tests/android_host_app/app/build.gradle
+++ b/dev/integration_tests/android_host_app/app/build.gradle
@@ -1,7 +1,7 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
 
     compileOptions {
         sourceCompatibility 1.8
diff --git a/dev/integration_tests/android_semantics_testing/android/app/build.gradle b/dev/integration_tests/android_semantics_testing/android/app/build.gradle
index 3228d77622..d82e5773bc 100644
--- a/dev/integration_tests/android_semantics_testing/android/app/build.gradle
+++ b/dev/integration_tests/android_semantics_testing/android/app/build.gradle
@@ -15,7 +15,7 @@ apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
 
     lintOptions {
         disable 'InvalidPackage'
diff --git a/dev/integration_tests/android_views/android/app/build.gradle b/dev/integration_tests/android_views/android/app/build.gradle
index 874ea24f61..f806f91ed7 100644
--- a/dev/integration_tests/android_views/android/app/build.gradle
+++ b/dev/integration_tests/android_views/android/app/build.gradle
@@ -25,7 +25,7 @@ apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
 
     lintOptions {
         disable 'InvalidPackage'
diff --git a/dev/integration_tests/channels/android/app/build.gradle b/dev/integration_tests/channels/android/app/build.gradle
index 3228d77622..d82e5773bc 100644
--- a/dev/integration_tests/channels/android/app/build.gradle
+++ b/dev/integration_tests/channels/android/app/build.gradle
@@ -15,7 +15,7 @@ apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
 
     lintOptions {
         disable 'InvalidPackage'
diff --git a/dev/integration_tests/external_ui/android/app/build.gradle b/dev/integration_tests/external_ui/android/app/build.gradle
index 7e25815193..263816a6ea 100644
--- a/dev/integration_tests/external_ui/android/app/build.gradle
+++ b/dev/integration_tests/external_ui/android/app/build.gradle
@@ -15,7 +15,7 @@ apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
 
     lintOptions {
         disable 'InvalidPackage'
diff --git a/dev/integration_tests/flavors/android/app/build.gradle b/dev/integration_tests/flavors/android/app/build.gradle
index ef7b74ef32..34a51ffa36 100644
--- a/dev/integration_tests/flavors/android/app/build.gradle
+++ b/dev/integration_tests/flavors/android/app/build.gradle
@@ -15,7 +15,7 @@ apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
 
     lintOptions {
         disable 'InvalidPackage'
diff --git a/dev/integration_tests/named_isolates/android/app/build.gradle b/dev/integration_tests/named_isolates/android/app/build.gradle
index 603ec13c89..5cbcfda29d 100644
--- a/dev/integration_tests/named_isolates/android/app/build.gradle
+++ b/dev/integration_tests/named_isolates/android/app/build.gradle
@@ -15,7 +15,7 @@ apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
 
     lintOptions {
         disable 'InvalidPackage'
diff --git a/dev/integration_tests/platform_interaction/android/app/build.gradle b/dev/integration_tests/platform_interaction/android/app/build.gradle
index 3228d77622..d82e5773bc 100644
--- a/dev/integration_tests/platform_interaction/android/app/build.gradle
+++ b/dev/integration_tests/platform_interaction/android/app/build.gradle
@@ -15,7 +15,7 @@ apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
 
     lintOptions {
         disable 'InvalidPackage'
diff --git a/dev/integration_tests/ui/android/app/build.gradle b/dev/integration_tests/ui/android/app/build.gradle
index b9f6dc1156..086e64a3c6 100644
--- a/dev/integration_tests/ui/android/app/build.gradle
+++ b/dev/integration_tests/ui/android/app/build.gradle
@@ -15,7 +15,7 @@ apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
 
     lintOptions {
         disable 'InvalidPackage'
diff --git a/dev/manual_tests/android/app/build.gradle b/dev/manual_tests/android/app/build.gradle
index eebfe5b1dd..2c0394f29b 100644
--- a/dev/manual_tests/android/app/build.gradle
+++ b/dev/manual_tests/android/app/build.gradle
@@ -15,7 +15,7 @@ apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
 
     lintOptions {
         disable 'InvalidPackage'
diff --git a/examples/catalog/android/app/build.gradle b/examples/catalog/android/app/build.gradle
index 1da612db8a..e4fed37b2b 100644
--- a/examples/catalog/android/app/build.gradle
+++ b/examples/catalog/android/app/build.gradle
@@ -25,7 +25,7 @@ apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
 
     lintOptions {
         disable 'InvalidPackage'
diff --git a/examples/flutter_gallery/android/app/build.gradle b/examples/flutter_gallery/android/app/build.gradle
index 103c0ec919..eac388aa92 100644
--- a/examples/flutter_gallery/android/app/build.gradle
+++ b/examples/flutter_gallery/android/app/build.gradle
@@ -36,7 +36,7 @@ apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
 
     lintOptions {
         disable 'InvalidPackage'
diff --git a/examples/flutter_view/android/app/build.gradle b/examples/flutter_view/android/app/build.gradle
index e599532b9c..e89b265ccc 100644
--- a/examples/flutter_view/android/app/build.gradle
+++ b/examples/flutter_view/android/app/build.gradle
@@ -25,7 +25,7 @@ apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
 
     lintOptions {
         disable 'InvalidPackage'
diff --git a/examples/hello_world/android/app/build.gradle b/examples/hello_world/android/app/build.gradle
index bd1304aa45..4c579cba89 100644
--- a/examples/hello_world/android/app/build.gradle
+++ b/examples/hello_world/android/app/build.gradle
@@ -25,7 +25,7 @@ apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
 
     lintOptions {
         disable 'InvalidPackage'
diff --git a/examples/layers/android/app/build.gradle b/examples/layers/android/app/build.gradle
index aace11171b..9ded9f8b89 100644
--- a/examples/layers/android/app/build.gradle
+++ b/examples/layers/android/app/build.gradle
@@ -25,7 +25,7 @@ apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
 
     lintOptions {
         disable 'InvalidPackage'
diff --git a/examples/platform_channel/android/app/build.gradle b/examples/platform_channel/android/app/build.gradle
index bfa8ce4af3..2645639692 100644
--- a/examples/platform_channel/android/app/build.gradle
+++ b/examples/platform_channel/android/app/build.gradle
@@ -25,7 +25,7 @@ apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
 
     lintOptions {
         disable 'InvalidPackage'
diff --git a/examples/platform_view/android/app/build.gradle b/examples/platform_view/android/app/build.gradle
index b85c22f48a..e99aab2930 100644
--- a/examples/platform_view/android/app/build.gradle
+++ b/examples/platform_view/android/app/build.gradle
@@ -25,7 +25,7 @@ apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
 
     lintOptions {
         disable 'InvalidPackage'
diff --git a/examples/stocks/android/app/build.gradle b/examples/stocks/android/app/build.gradle
index 6d5eda5fc7..63118c1f73 100644
--- a/examples/stocks/android/app/build.gradle
+++ b/examples/stocks/android/app/build.gradle
@@ -25,7 +25,7 @@ apply plugin: 'com.android.application'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
 android {
-    compileSdkVersion 27
+    compileSdkVersion 28
 
     lintOptions {
         disable 'InvalidPackage'