diff --git a/microservices/classification_service/requirements.txt b/microservices/classification_service/requirements.txt
index 05e62522..73ea2a75 100644
--- a/microservices/classification_service/requirements.txt
+++ b/microservices/classification_service/requirements.txt
@@ -28,7 +28,7 @@ google-crc32c==1.1.2
 google-resumable-media==1.3.3
 googleapis-common-protos==1.53.0
 grpc-google-iam-v1==0.12.3
-grpcio==1.39.0
+grpcio==1.53.2
 httplib2==0.19.1
 idna==3.2
 importlib-metadata==4.9.0