diff --git a/build.gradle b/build.gradle
index 419d506..38d03db 100644
--- a/build.gradle
+++ b/build.gradle
@@ -80,7 +80,7 @@ jar {
 }
 
 def grpcVersion = '1.81.0'
-def protocVersion = '3.25.5'
+def protocVersion = '4.35.1'
 def slf4jVersion = '2.0.18'
 def testcontainersVersion = '1.21.4'
 def jUnitVersion = '6.1.0'