diff --git a/grpc/build.gradle.kts b/grpc/build.gradle.kts
index d756b9166..fee97bc0e 100644
--- a/grpc/build.gradle.kts
+++ b/grpc/build.gradle.kts
@@ -16,7 +16,7 @@ java {
 }
 
 var grpcVersion = "1.76.0"
-var protobufVersion = "4.32.1"
+var protobufVersion = "4.33.0"
 var protocVersion = protobufVersion
 
 dependencies {