diff --git a/jkit/pom.xml b/jkit/pom.xml
index a56a9fd..dfddf7a 100644
--- a/jkit/pom.xml
+++ b/jkit/pom.xml
@@ -103,7 +103,7 @@
         <dependency>
             <groupId>com.google.protobuf</groupId>
             <artifactId>protobuf-java</artifactId>
-            <version>2.5.0</version>
+            <version>3.16.3</version>
         </dependency>
         <!--Zookeeper-->
         <dependency>