* [all] add zxing to NOTICE file
diff --git a/NOTICE b/NOTICE
index 7b45898..8ceccd9 100644
--- a/NOTICE
+++ b/NOTICE
@@ -74,6 +74,9 @@
This product contains software SocketRocket(https://github.com/facebook/SocketRocket) developed
by facebook , licensed under the BSD-3-Clause License.
+This product contains software zxing(https://github.com/zxing/zxing) developed
+by zxing , licensed under the Apache 2.0 License.
+
This product contains software okhttp(https://github.com/square/okhttp) developed
by square , licensed under the Apache 2.0 License.