diff --git a/openapi/CHANGELOG.md b/openapi/CHANGELOG.md
index c7aab4f6..aca8adf7 100644
--- a/openapi/CHANGELOG.md
+++ b/openapi/CHANGELOG.md
@@ -6,6 +6,13 @@
 
 ## v0.107.56: API changes
 
+### Documentation fix of `NetInterface`
+
+* The `NetInterface` object schema has been updated to reflect the actual
+  structure of the response.  It has included and required the `ipv4_addresses`
+  and `ipv6_addresses` fields, required the `gateway_ip` field, and excluded the
+  `mtu` field.
+
 ### Deprecated client APIs
 
 * The `GET /control/clients/find` HTTP API; use the new `POST