diff --git a/README.md b/README.md
index b55ccb8..64d4c59 100644
--- a/README.md
+++ b/README.md
@@ -69,3 +69,5 @@ python cbn_cli.py --credentials_file=~/.chronicle_credentials.json list
 ```shell
 python cbn_cli.py --credentials_file=~/.chronicle_credentials.json err --start_date=2020-09-16T00:00:00Z --end_date=2020-09-18T12:00:00Z --log_type=TANIUM_TH
 ```
+
+**Note**: The cbn-tool CLI will be deprecated soon. Developers are requested to use the new Chronicle [CLI](https://cloud.google.com/chronicle/docs/preview/cli-user-guide/cli-user-guide).