diff --git a/docs/Supported-list.md b/docs/Supported-list.md
index b1187e394..85dc2fcdf 100644
--- a/docs/Supported-list.md
+++ b/docs/Supported-list.md
@@ -27,7 +27,7 @@
   * [Dubbo](https://github.com/alibaba/dubbo) 2.5.4 -> 2.6.0
   * [Dubbox](https://github.com/dangdangdotcom/dubbox) 2.8.4
   * [Motan](https://github.com/weibocom/motan) 0.2.x -> 1.1.0
-  * [gRPC](https://github.com/grpc/grpc-java) 1.6+
+  * [gRPC](https://github.com/grpc/grpc-java) 1.x
 * MQ
   * [RocketMQ](https://github.com/apache/rocketmq) 4.x
   * [Kafka](http://kafka.apache.org) 0.11.0.0 -> 1.0