diff --git a/CHANGES.txt b/CHANGES.txt
index 86b9274c38..0da6b28920 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,6 +1,7 @@
 5.0.6
  * Sort SSTable TOC entries for determinism (CASSANDRA-20494)
 Merged from 4.0:
+ * Add NativeTransportMaxConcurrentConnectionsPerIp to StorageProxyMBean (CASSANDRA-20642)
  * Make secondary index implementations notified about rows in fully expired SSTables in compaction (CASSANDRA-20829)
 
 
diff --git a/src/java/org/apache/cassandra/service/StorageProxyMBean.java b/src/java/org/apache/cassandra/service/StorageProxyMBean.java
index 395b49a848..a3c7de0d64 100644
--- a/src/java/org/apache/cassandra/service/StorageProxyMBean.java
+++ b/src/java/org/apache/cassandra/service/StorageProxyMBean.java
@@ -56,6 +56,9 @@ public interface StorageProxyMBean
     public void setNativeTransportMaxConcurrentConnections(Long nativeTransportMaxConcurrentConnections);
     public Long getNativeTransportMaxConcurrentConnections();
 
+    public void setNativeTransportMaxConcurrentConnectionsPerIp(Long nativeTransportMaxConcurrentConnections);
+    public Long getNativeTransportMaxConcurrentConnectionsPerIp();
+
     public void reloadTriggerClasses();
 
     public long getReadRepairAttempted();