diff --git a/test/pom.xml b/test/pom.xml
index 2ff4007..584b1b0 100755
--- a/test/pom.xml
+++ b/test/pom.xml
@@ -38,7 +38,7 @@
   <dependency>
     <groupId>com.google.protobuf</groupId>
     <artifactId>protobuf-java</artifactId>
-    <version>3.23.3</version>
+    <version>4.32.1</version>
   </dependency>
   <dependency>
     <groupId>com.google.api.grpc</groupId>