diff --git a/internal/invoke/client.go b/internal/invoke/client.go
index db63df0..a06fc00 100644
--- a/internal/invoke/client.go
+++ b/internal/invoke/client.go
@@ -67,6 +67,7 @@ func NewClient[T any](
 		grpc.WithDefaultServiceConfig(`{"loadBalancingPolicy":"round_robin"}`),
 		grpc.WithChainUnaryInterceptor(retryInterceptor(3, 3*time.Second)),
 		grpc.WithTransportCredentials(insecure.NewCredentials()),
+		grpc.WithAuthority(SCHEME),
 	)
 
 	conn, err := grpc.DialContext(