diff --git a/demos/reactive-grpc-chat/reactor-chat-kotlin/pom.xml b/demos/reactive-grpc-chat/reactor-chat-kotlin/pom.xml
index 287b5c1e..77dd4713 100644
--- a/demos/reactive-grpc-chat/reactor-chat-kotlin/pom.xml
+++ b/demos/reactive-grpc-chat/reactor-chat-kotlin/pom.xml
@@ -23,7 +23,7 @@
     <properties>
         <kotlin.version>1.2.30</kotlin.version>
         <reactive.grpc.version>1.2.3</reactive.grpc.version>
-        <grpc.version>1.42.1</grpc.version>
+        <grpc.version>1.53.0</grpc.version>
         <protoc.version>3.9.0</protoc.version>
         <grpc.contrib.version>0.8.0</grpc.contrib.version>
         <reactor.version>3.1.5.RELEASE</reactor.version>