diff --git a/requirements.grpc.txt b/requirements.grpc.txt
index a3dc65e..5731c1f 100644
--- a/requirements.grpc.txt
+++ b/requirements.grpc.txt
@@ -1,2 +1,2 @@
-grpcio-tools==1.51.1
+grpcio-tools==1.66.1
 googleapis-common-protos==1.58.0
\ No newline at end of file