diff --git a/app/build.gradle b/app/build.gradle
index 5fa72d54..2277f7b7 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -4,12 +4,12 @@ import org.apache.tools.ant.taskdefs.condition.Os
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion 26
-    buildToolsVersion '26.0.2'
+    compileSdkVersion 27
+    buildToolsVersion '27.0.0'
 
     defaultConfig {
         minSdkVersion 16
-        targetSdkVersion 26
+        targetSdkVersion 27
 
         versionName "5.2.1"
         versionCode = 132