diff --git a/app/build.gradle b/app/build.gradle
index 1fafe62..dedc05f 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -13,7 +13,7 @@ repositories {
 
 android {
     compileSdkVersion 26
-    buildToolsVersion '26.0.2'
+    buildToolsVersion '27.0.3'
 
     defaultConfig {
         generatedDensities = []
diff --git a/build.gradle b/build.gradle
index 3be019c..afb9a06 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,9 +7,10 @@ buildscript {
             url 'https://maven.google.com/'
             name 'Google'
         }
+        google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.1'
+        classpath 'com.android.tools.build:gradle:3.1.0'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files