diff --git a/requirements-grpc.txt b/requirements-grpc.txt
index 132690f7..ed784f7e 100644
--- a/requirements-grpc.txt
+++ b/requirements-grpc.txt
@@ -2,4 +2,4 @@ grpcio>=1.44.0
 grpc-gateway-protoc-gen-openapiv2==0.1.0
 googleapis-common-protos>=1.53.0
 lz4>=3.1.3
-protobuf~=3.19.5
+protobuf~=3.20.0