diff --git a/build.gradle b/build.gradle
index 61c05e5..0030b8b 100644
--- a/build.gradle
+++ b/build.gradle
@@ -13,12 +13,12 @@
 apply plugin: 'com.google.protobuf'
 
 android {
-    compileSdkVersion 27
-    buildToolsVersion '27.0.0'
+    compileSdkVersion 28
+    buildToolsVersion '28.0.0'
 
     defaultConfig {
         minSdkVersion 21
-        targetSdkVersion 27
+        targetSdkVersion 28
         versionCode 1
         versionName "1.0"
 
@@ -102,7 +102,7 @@
     jcenter()
 }
 
-final String SUPPORT_LIBS_VERSION = '27.0.0-SNAPSHOT'
+final String SUPPORT_LIBS_VERSION = '28.0.0-SNAPSHOT'
 dependencies {
     compile "com.android.support:support-v4:${SUPPORT_LIBS_VERSION}"
     compile "com.android.support:support-dynamic-animation:${SUPPORT_LIBS_VERSION}"