diff --git a/cpp/CHANGELOG.md b/cpp/CHANGELOG.md
index 56c5c5faa891c8059893342a97b3a96f947c30b8..77cbe055e3a56af714d72096179397f39f9334ca 100644
--- a/cpp/CHANGELOG.md
+++ b/cpp/CHANGELOG.md
@@ -35,6 +35,7 @@ Please mark all change in change log and use the ticket from JIRA.
 - MS-248 - Support AddVector/SearchVector profiling
 - MS-256 - Add more cache config
 - MS-260 - Refine log
+- MS-261 - update faiss version to 1.5.3 and add BUILD_FAISS_WITH_MKL as an option
 
 ## New Feature
 - MS-180 - Add new mem manager