diff --git a/pom.xml b/pom.xml
index 6511551..5a875b9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -128,7 +128,7 @@
       <dependency>
         <groupId>com.google.protobuf</groupId>
         <artifactId>protobuf-java</artifactId>
-        <version>2.6.1</version>
+        <version>3.16.3</version>
         <scope>compile</scope>
       </dependency>
     </dependencies>