diff --git a/codec-dns/src/main/java/io/netty/handler/codec/dns/TcpDnsResponseEncoder.java b/codec-dns/src/main/java/io/netty/handler/codec/dns/TcpDnsResponseEncoder.java
index 21d62c39ec..2a9d5d01c8 100644
--- a/codec-dns/src/main/java/io/netty/handler/codec/dns/TcpDnsResponseEncoder.java
+++ b/codec-dns/src/main/java/io/netty/handler/codec/dns/TcpDnsResponseEncoder.java
@@ -20,9 +20,11 @@ import io.netty.channel.ChannelHandler;
 import io.netty.channel.ChannelHandlerContext;
 import io.netty.handler.codec.MessageToMessageEncoder;
 import io.netty.util.internal.ObjectUtil;
+import io.netty.util.internal.UnstableApi;
 
 import java.util.List;
 
+@UnstableApi
 @ChannelHandler.Sharable
 public final class TcpDnsResponseEncoder extends MessageToMessageEncoder<DnsResponse> {
     private final DnsRecordEncoder encoder;
diff --git a/pom.xml b/pom.xml
index c86c70f325..43823263c8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1026,6 +1026,7 @@
               <exclude>io.netty.util.internal.shaded</exclude>
               <!-- Added to fix false-positive -->
               <exclude>io.netty.handler.codec.dns.TcpDnsQueryDecoder</exclude>
+              <exclude>io.netty.handler.codec.dns.TcpDnsResponseEncoder</exclude>
             </excludes>
           </parameter>
           <skip>${skipJapicmp}</skip>