diff --git a/google-cloud-testing/storage-benchwrapper/pom.xml b/google-cloud-testing/storage-benchwrapper/pom.xml
index 7139bbb614be..8f9004ef5ec6 100644
--- a/google-cloud-testing/storage-benchwrapper/pom.xml
+++ b/google-cloud-testing/storage-benchwrapper/pom.xml
@@ -8,7 +8,7 @@
 
   <properties>
     <grpcVersion>1.27.0</grpcVersion>
-    <protobufVersion>3.9.1</protobufVersion>
+    <protobufVersion>3.16.3</protobufVersion>
   </properties>
   
   <build>