diff --git a/build.gradle b/build.gradle
index 98ae335..48ee132 100644
--- a/build.gradle
+++ b/build.gradle
@@ -12,7 +12,7 @@ repositories {
 }
 
 def grpcVersion = '1.82.0'
-def protocVersion = '3.25.8'
+def protocVersion = '4.35.1'
 def junitVersion = '6.1.0'
 def testcontainersVersion = '2.0.5'