diff --git a/build.gradle b/build.gradle
--- a/build.gradle
+++ b/build.gradle
@@ -4,14 +4,14 @@
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.1'
+        classpath 'com.android.tools.build:gradle:3.1.0'
     }
 }
 
 apply plugin: 'com.android.application'
 
 android {
-    buildToolsVersion '26.0.2'
+    buildToolsVersion '27.0.3'
     compileSdkVersion 25
     defaultConfig {
         minSdkVersion 9