diff --git a/online-boutique-demo/src/emailservice/requirements.txt b/online-boutique-demo/src/emailservice/requirements.txt
index 0bf8440..4efabc4 100644
--- a/online-boutique-demo/src/emailservice/requirements.txt
+++ b/online-boutique-demo/src/emailservice/requirements.txt
@@ -44,7 +44,7 @@ googleapis-common-protos==1.52.0
     # via google-api-core
 grpcio-health-checking==1.33.2
     # via -r requirements.in
-grpcio==1.33.2
+grpcio==1.58.3
     # via
     #   -r requirements.in
     #   google-api-core