diff --git a/pom.xml b/pom.xml
index cb9aa84..f905e14 100644
--- a/pom.xml
+++ b/pom.xml
@@ -315,7 +315,7 @@
             <dependency>
                 <groupId>com.google.protobuf</groupId>
                 <artifactId>protobuf-java</artifactId>
-                <version>2.6.1</version>
+                <version>3.16.3</version>
             </dependency>
             <dependency>
                 <groupId>joda-time</groupId>