diff --git a/agent-plane/agent-plane-protocol/pom.xml b/agent-plane/agent-plane-protocol/pom.xml
index 5e6f466..17c9f68 100644
--- a/agent-plane/agent-plane-protocol/pom.xml
+++ b/agent-plane/agent-plane-protocol/pom.xml
@@ -304,7 +304,7 @@
         <dependency>
             <groupId>software.amazon.awssdk</groupId>
             <artifactId>netty-nio-client</artifactId>
-            <version>2.20.94</version>
+            <version>2.21.4</version>
             <scope>runtime</scope>
         </dependency>