diff --git a/pom.xml b/pom.xml
index 3c08763cd7..6b3d439bdf 100644
--- a/pom.xml
+++ b/pom.xml
@@ -111,7 +111,7 @@
         <hugegraph-rpc.version>2.0.1</hugegraph-rpc.version>
         <hugegraph-common.version>2.1.2</hugegraph-common.version>
         <grpc.version>1.47.0</grpc.version>
-        <protobuf.version>3.21.2</protobuf.version>
+        <protobuf.version>3.21.7</protobuf.version>
     </properties>
     <modules>
         <module>hugegraph-core</module>