diff --git a/build.gradle b/build.gradle
new file mode 100644
index 0000000..02907f7
--- /dev/null
+++ b/build.gradle
@@ -0,0 +1,37 @@
+/*
+ * Copyright 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+buildscript {
+    repositories {
+        jcenter()
+        google()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:3.3.0-alpha08'
+    }
+}
+
+allprojects {
+    repositories {
+        jcenter()
+        maven { url 'https://maven.google.com' }
+        google()
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}