diff --git a/netty-protobuf/pom.xml b/netty-protobuf/pom.xml
index 1599809..30b92b6 100644
--- a/netty-protobuf/pom.xml
+++ b/netty-protobuf/pom.xml
@@ -59,7 +59,7 @@
         <dependency>
             <groupId>com.google.protobuf</groupId>
             <artifactId>protobuf-java</artifactId>
-            <version>3.12.2</version>
+            <version>3.16.3</version>
         </dependency>
     </dependencies>