diff --git a/evaluator-tensorflow/pom.xml b/evaluator-tensorflow/pom.xml
index e68809e..e32440e 100644
--- a/evaluator-tensorflow/pom.xml
+++ b/evaluator-tensorflow/pom.xml
@@ -13,7 +13,7 @@
 
     <properties>
         <tensorflow.version>1.15.0</tensorflow.version>
-        <protobuf.version>3.5.1</protobuf.version>
+        <protobuf.version>3.16.3</protobuf.version>
     </properties>
 
     <dependencies>