diff --git a/SpringBootGRpc/build.gradle b/SpringBootGRpc/build.gradle
index df0d3d14..146ee248 100644
--- a/SpringBootGRpc/build.gradle
+++ b/SpringBootGRpc/build.gradle
@@ -10,7 +10,7 @@ repositories {
 }
 
 var protobufVersion='4.31.1'
-var grpcVersion='1.70.0'
+var grpcVersion='1.73.0'
 
 dependencies {
     implementation 'javax.annotation:javax.annotation-api:1.3.2' // https://github.com/grpc/grpc-java/issues/9179