diff --git a/Build/MQTTnet.nuspec b/Build/MQTTnet.nuspec
index 97d0d54b..a1bd0e53 100644
--- a/Build/MQTTnet.nuspec
+++ b/Build/MQTTnet.nuspec
@@ -15,6 +15,7 @@
 * [Core] Added support for TLS 1.3 (requires .NET Core 3.1+) (thanks to @Dvergatal).
 * [RpcClient] Moved the RPC topic validation to the topic generation strategy.
 * [RcpClient] Added interface for _MqttRpcClient_.
+* [Server] Fixed bug in PubRel packet generation (MQTTv5 only).
     </releaseNotes>
     <copyright>Copyright Christian Kratky 2016-2020</copyright>
     <tags>MQTT Message Queue Telemetry Transport MQTTClient MQTTServer Server MQTTBroker Broker NETStandard IoT InternetOfThings Messaging Hardware Arduino Sensor Actuator M2M ESP Smart Home Cities Automation Xamarin Blazor</tags>