diff --git a/pom.xml b/pom.xml
index 4f74267..3ec7a93 100644
--- a/pom.xml
+++ b/pom.xml
@@ -52,7 +52,7 @@
         <httpclient.version>4.5.9</httpclient.version>
         <junixsocket.version>2.2.0</junixsocket.version>
         <failsafe.version>2.3.0</failsafe.version>
-        <protobuf.version>3.9.1</protobuf.version>
+        <protobuf.version>3.16.1</protobuf.version>
         <lombok.version>1.18.8</lombok.version>
         <junit.version>4.11</junit.version>
         <mockito.version>1.9.5</mockito.version>