diff --git a/pom.xml b/pom.xml
index ec6deff..a85f104 100644
--- a/pom.xml
+++ b/pom.xml
@@ -30,11 +30,11 @@
         <snappy-java.version>1.1.10.8</snappy-java.version>
 
         <!-- network -->
-        <netty.version>4.2.8.Final</netty.version>
+        <netty.version>4.2.9.Final</netty.version>
 
         <!-- dns -->
         <dnsjava.version>3.6.3</dnsjava.version>
-        <aws-dns.version>2.40.8</aws-dns.version>
+        <aws-dns.version>2.40.13</aws-dns.version>
 
 
         <!-- log -->