diff --git a/demos/reactive-grpc-chat/rxjava-chat/pom.xml b/demos/reactive-grpc-chat/rxjava-chat/pom.xml
index 3531739e..e690e923 100644
--- a/demos/reactive-grpc-chat/rxjava-chat/pom.xml
+++ b/demos/reactive-grpc-chat/rxjava-chat/pom.xml
@@ -18,7 +18,7 @@
         <rxjava.version>2.2.21</rxjava.version>
         <reactive.grpc.version>1.2.3</reactive.grpc.version>
         <grpc.contrib.version>0.8.0</grpc.contrib.version>
-        <grpc.version>1.42.1</grpc.version>
+        <grpc.version>1.53.0</grpc.version>
         <protoc.version>3.9.0</protoc.version>
     </properties>