diff --git a/ApiDemos/app/build.gradle b/ApiDemos/app/build.gradle
index 204634ca..92c1814e 100644
--- a/ApiDemos/app/build.gradle
+++ b/ApiDemos/app/build.gradle
@@ -1,13 +1,14 @@
 apply plugin: 'com.android.application'
+apply plugin: 'project-report'
 
 android {
-    compileSdkVersion 23
-    buildToolsVersion '25.0.0'
+    compileSdkVersion 27
+    buildToolsVersion '27.0.2'
 
     defaultConfig {
         applicationId "com.example.mapdemo"
         minSdkVersion 15
-        targetSdkVersion 23
+        targetSdkVersion 27
         versionCode 1
         versionName "1.0"
     }
@@ -21,7 +22,8 @@ android {
 
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
-    testCompile 'junit:junit:4.12'
-    compile 'com.android.support:appcompat-v7:23.4.0'
-    compile 'com.google.android.gms:play-services-maps:11.4.0'
+    testImplementation 'junit:junit:4.12'
+    implementation 'com.android.support:appcompat-v7:27.0.2'
+    implementation 'com.google.android.gms:play-services-maps:11.6.2'
+    implementation 'com.android.support:support-v4:27.0.2'
 }
diff --git a/ApiDemos/build.gradle b/ApiDemos/build.gradle
index 8974ea0d..34e457f6 100644
--- a/ApiDemos/build.gradle
+++ b/ApiDemos/build.gradle
@@ -2,10 +2,11 @@
 
 buildscript {
     repositories {
+        google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.1'
+        classpath 'com.android.tools.build:gradle:3.0.1'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -15,6 +16,7 @@ buildscript {
 allprojects {
     repositories {
         mavenLocal()
+        google()
         jcenter()
     }
 }