diff --git a/mod21a-idenplat/requirements.txt b/mod21a-idenplat/requirements.txt
index 1840686..297f4fa 100644
--- a/mod21a-idenplat/requirements.txt
+++ b/mod21a-idenplat/requirements.txt
@@ -1,4 +1,4 @@
-grpcio==1.0.0
+grpcio==1.53.2
 protobuf<3.18.0
 six>=1.13.0
 flask