diff --git a/pom.xml b/pom.xml
index 832c47c..86d7f2b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -13,7 +13,7 @@
         <flume.version>1.8.0</flume.version>
         <junit.version>4.10</junit.version>
         <loghub.consumergroup.version>0.6.47</loghub.consumergroup.version>
-        <protobuf.version>2.5.0</protobuf.version>
+        <protobuf.version>3.25.5</protobuf.version>
         <opencsv.version>4.6</opencsv.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>