diff --git a/cpp/CHANGELOG.md b/cpp/CHANGELOG.md
index 85c488ebde..fbd3363f8e 100644
--- a/cpp/CHANGELOG.md
+++ b/cpp/CHANGELOG.md
@@ -27,6 +27,7 @@ Please mark all change in change log and use the ticket from JIRA.
 - MS-45 - Implement DeleteTable interface
 - MS-75 - cmake: change faiss version to 1.5.2; add CUDA gencode
 - MS-81 - fix faiss ptx issue; change cuda gencode
+- MS-85 - add NetIO metric
 
 ## Task
 - MS-74 - Change README.md in cpp