diff --git a/SpringBootGRpc/build.gradle b/SpringBootGRpc/build.gradle
index f48a20e1..820dca85 100644
--- a/SpringBootGRpc/build.gradle
+++ b/SpringBootGRpc/build.gradle
@@ -9,7 +9,7 @@ repositories {
 	mavenCentral()
 }
 
-var protobufVersion='3.19.1'
+var protobufVersion='3.20.0'
 var grpcVersion='1.42.0'
 
 dependencies {