diff --git a/ApiDemos/app/build.gradle b/ApiDemos/app/build.gradle
index f527b9ff..ee24b004 100644
--- a/ApiDemos/app/build.gradle
+++ b/ApiDemos/app/build.gradle
@@ -2,7 +2,7 @@ apply plugin: 'com.android.application'
 
 android {
     compileSdkVersion 23
-    buildToolsVersion "23.0.2"
+    buildToolsVersion '25.0.0'
 
     defaultConfig {
         applicationId "com.example.mapdemo"
diff --git a/ApiDemos/build.gradle b/ApiDemos/build.gradle
index 0b233678..8974ea0d 100644
--- a/ApiDemos/build.gradle
+++ b/ApiDemos/build.gradle
@@ -5,7 +5,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.1.3'
+        classpath 'com.android.tools.build:gradle:2.3.1'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
diff --git a/ApiDemos/gradle/wrapper/gradle-wrapper.properties b/ApiDemos/gradle/wrapper/gradle-wrapper.properties
index 5a3e1668..e947089b 100644
--- a/ApiDemos/gradle/wrapper/gradle-wrapper.properties
+++ b/ApiDemos/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,6 @@
-#Wed Sep 07 14:53:18 AEST 2016
+#Tue Jun 06 10:13:43 AEST 2017
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip