diff --git a/retail/recommendation-system/bqml-scann/index_server/requirements.txt b/retail/recommendation-system/bqml-scann/index_server/requirements.txt
index 3e7abb0..04881c7 100644
--- a/retail/recommendation-system/bqml-scann/index_server/requirements.txt
+++ b/retail/recommendation-system/bqml-scann/index_server/requirements.txt
@@ -1,4 +1,4 @@
-pip==20.2.4
+pip==21.1
 Flask==1.1.2
 gunicorn==20.0.4
 google-api-python-client==1.12.5