[rpc-darpc] new DaRPC v1.9

Use DaRPC v1.9

Signed-off-by: Jonas Pfefferle <pepperjo@apache.org>
diff --git a/LICENSE-binary b/LICENSE-binary
index e8a7be4..35d9942 100644
--- a/LICENSE-binary
+++ b/LICENSE-binary
@@ -527,9 +527,9 @@
   - The Netty Project (http://netty.io/) io.netty:netty:bundle:3.7.0.Final
     License: Apache License, Version 2.0  (http://www.apache.org/licenses/LICENSE-2.0)
 
-darpc-1.8.jar
+darpc-1.9.jar
 -------------
-Copyright (C) 2016-2018, IBM Corporation
+Copyright (C) 2016-2019, IBM Corporation
 
 disni-2.1.jar
 --------------
diff --git a/pom.xml b/pom.xml
index 0c8414e..51ff2a8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -78,7 +78,7 @@
       <dependency>
         <groupId>com.ibm.darpc</groupId>
         <artifactId>darpc</artifactId>
-        <version>1.8</version>
+        <version>1.9</version>
       </dependency>
       <dependency>
         <groupId>com.ibm.narpc</groupId>