diff --git a/pom.xml b/pom.xml
index cba6dae..d6eca9c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -24,7 +24,7 @@
         <fastjson.version>1.2.62</fastjson.version>
         <guava.version>28.1-jre</guava.version>
         <commons-lang3.version>3.9</commons-lang3.version>
-        <protobuf.version>3.9.1</protobuf.version>
+        <protobuf.version>3.16.1</protobuf.version>
         <junit.version>4.12</junit.version>
     </properties>