diff --git a/examples/java/build.gradle b/examples/java/build.gradle
index 5b24c638..1a53c145 100644
--- a/examples/java/build.gradle
+++ b/examples/java/build.gradle
@@ -13,7 +13,7 @@ protobuf {
 
     plugins {
         grpc {
-            artifact = 'io.grpc:protoc-gen-grpc-java:1.21.0'
+            artifact = 'io.grpc:protoc-gen-grpc-java:1.22.1'
         }
 
         reactor {