diff --git a/protobuf/pom.xml b/protobuf/pom.xml
index cc26f97..79fff5b 100644
--- a/protobuf/pom.xml
+++ b/protobuf/pom.xml
@@ -22,7 +22,7 @@
         <dependency>
             <groupId>com.google.protobuf</groupId>
             <artifactId>protobuf-java</artifactId>
-            <version>3.16.1</version>
+            <version>3.16.3</version>
         </dependency>
     </dependencies>
 </project>
\ No newline at end of file