diff --git a/SpringBootGRpc/build.gradle b/SpringBootGRpc/build.gradle
index 9928c8ae..32e90719 100644
--- a/SpringBootGRpc/build.gradle
+++ b/SpringBootGRpc/build.gradle
@@ -9,7 +9,7 @@ repositories {
 	mavenCentral()
 }
 
-var protobufVersion='3.25.3'
+var protobufVersion='4.28.0'
 var grpcVersion='1.65.1'
 
 dependencies {