diff --git a/CHANGES.md b/CHANGES.md
index 6b22d603..c00376e6 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -2,6 +2,9 @@
 
 This document describes the relevant changes between releases of the API model.
 
+## 0.0.271 Apr 3 2023
+- Adding `version_inquiry` endpoint to Managed Services.
+
 ## 0.0.270 Mar 31 2023
 - adding quota auth to root resource model