diff --git a/android/build.gradle b/android/build.gradle
index 0dd5de60f..649e65282 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -1,3 +1,8 @@
+// Copyright (c) Facebook, Inc. and its affiliates.
+//
+// This source code is licensed under the MIT license found in the LICENSE file
+// in the root directory of this source tree.
+
 apply plugin: 'com.android.library'
 apply plugin: 'maven'
 
diff --git a/android/sample/build.gradle b/android/sample/build.gradle
index 2c8e2cb3e..b243458a3 100644
--- a/android/sample/build.gradle
+++ b/android/sample/build.gradle
@@ -1,3 +1,8 @@
+// Copyright (c) Facebook, Inc. and its affiliates.
+//
+// This source code is licensed under the MIT license found in the LICENSE file
+// in the root directory of this source tree.
+
 apply plugin: 'com.android.application'
 
 android {
diff --git a/build.gradle b/build.gradle
index d0afe09c1..2cf9d1be8 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,3 +1,8 @@
+// Copyright (c) Facebook, Inc. and its affiliates.
+//
+// This source code is licensed under the MIT license found in the LICENSE file
+// in the root directory of this source tree.
+
 buildscript {
     repositories {
         google()