diff --git a/whatsmars-rpc/pom.xml b/whatsmars-rpc/pom.xml
index 42c5fcff64be313a9763367dd6b99e17adfe7ecb..77691bdca6fb63febd4c27c8e353c419ddf9b8ed 100644
--- a/whatsmars-rpc/pom.xml
+++ b/whatsmars-rpc/pom.xml
@@ -15,7 +15,7 @@
     <url>http://maven.apache.org</url>
 
     <properties>
-        <grpc.version>1.0.0</grpc.version>
+        <grpc.version>1.15.1</grpc.version>
     </properties>
 
     <dependencies>