diff --git a/pom.xml b/pom.xml
index b6632542a4..af4180baab 100755
--- a/pom.xml
+++ b/pom.xml
@@ -74,11 +74,11 @@
         <mail.version>1.6.2</mail.version>
         <curator.version>4.2.0</curator.version>
         <zookeeper.version>3.5.5</zookeeper.version>
-        <protobuf.version>3.19.1</protobuf.version>
-        <grpc.version>1.43.0</grpc.version>
+        <protobuf.version>3.17.2</protobuf.version>
+        <grpc.version>1.42.1</grpc.version>
         <lombok.version>1.18.18</lombok.version>
         <paho.client.version>1.2.4</paho.client.version>
-        <netty.version>4.1.72.Final</netty.version>
+        <netty.version>4.1.71.Final</netty.version>
         <netty-tcnative.version>2.0.46.Final</netty-tcnative.version>
         <os-maven-plugin.version>1.7.0</os-maven-plugin.version>
         <rabbitmq.version>4.8.0</rabbitmq.version>