diff --git a/RNTester/android/app/build.gradle b/RNTester/android/app/build.gradle
index 5e5503b5eb7ca6..c1149e6a5e6fcd 100644
--- a/RNTester/android/app/build.gradle
+++ b/RNTester/android/app/build.gradle
@@ -84,8 +84,8 @@ def enableSeparateBuildPerCPUArchitecture = false
 def enableProguardInReleaseBuilds = false
 
 android {
-    compileSdkVersion 23
-    buildToolsVersion "23.0.1"
+    compileSdkVersion 26
+    buildToolsVersion "26.0.3"
 
     defaultConfig {
         applicationId "com.facebook.react.uiapp"
@@ -137,7 +137,7 @@ android {
 
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
-    compile 'com.android.support:appcompat-v7:23.0.1'
+    compile 'com.android.support:appcompat-v7:26.0.2'
 
     // Build React Native from source
     compile project(':ReactAndroid')
diff --git a/ReactAndroid/build.gradle b/ReactAndroid/build.gradle
index 503b814f32acb1..29fdcd6aae6550 100644
--- a/ReactAndroid/build.gradle
+++ b/ReactAndroid/build.gradle
@@ -242,8 +242,8 @@ task packageReactNdkLibsForBuck(dependsOn: packageReactNdkLibs, type: Copy) {
 }
 
 android {
-    compileSdkVersion 23
-    buildToolsVersion "23.0.1"
+    compileSdkVersion 26
+    buildToolsVersion "26.0.3"
 
     defaultConfig {
         minSdkVersion 16
@@ -292,7 +292,7 @@ android {
 dependencies {
     compile fileTree(dir: 'src/main/third-party/java/infer-annotations/', include: ['*.jar'])
     compile 'javax.inject:javax.inject:1'
-    compile 'com.android.support:appcompat-v7:23.0.1'
+    compile 'com.android.support:appcompat-v7:26.0.2'
     compile 'com.facebook.fbui.textlayoutbuilder:textlayoutbuilder:1.0.0'
     compile 'com.facebook.fresco:fresco:1.9.0'
     compile 'com.facebook.fresco:imagepipeline-okhttp3:1.9.0'
diff --git a/local-cli/templates/HelloWorld/android/app/build.gradle b/local-cli/templates/HelloWorld/android/app/build.gradle
index ec6f3022572ae6..f9f5ebc2bb3966 100644
--- a/local-cli/templates/HelloWorld/android/app/build.gradle
+++ b/local-cli/templates/HelloWorld/android/app/build.gradle
@@ -94,8 +94,8 @@ def enableSeparateBuildPerCPUArchitecture = false
 def enableProguardInReleaseBuilds = false
 
 android {
-    compileSdkVersion 23
-    buildToolsVersion "23.0.1"
+    compileSdkVersion 26
+    buildToolsVersion "26.0.3"
 
     defaultConfig {
         applicationId "com.helloworld"
@@ -138,7 +138,7 @@ android {
 
 dependencies {
     compile fileTree(dir: "libs", include: ["*.jar"])
-    compile "com.android.support:appcompat-v7:23.0.1"
+    compile "com.android.support:appcompat-v7:26.0.2"
     compile "com.facebook.react:react-native:+"  // From node_modules
 }
 
diff --git a/local-cli/templates/HelloWorld/android/build.gradle b/local-cli/templates/HelloWorld/android/build.gradle
index eed9972b5c13ea..8bd0ba32b04f72 100644
--- a/local-cli/templates/HelloWorld/android/build.gradle
+++ b/local-cli/templates/HelloWorld/android/build.gradle
@@ -3,6 +3,10 @@
 buildscript {
     repositories {
         jcenter()
+        maven {
+            url 'https://maven.google.com/'
+            name 'Google'
+        }
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:2.2.3'
@@ -16,6 +20,10 @@ allprojects {
     repositories {
         mavenLocal()
         jcenter()
+        maven {
+            url 'https://maven.google.com/'
+            name 'Google'
+        }
         maven {
             // All of React Native (JS, Obj-C sources, Android binaries) is installed from npm
             url "$rootDir/../node_modules/react-native/android"