diff --git a/server/router/api/v1/v1.go b/server/router/api/v1/v1.go
index 4c9fa7f6e..ac6f93d7f 100644
--- a/server/router/api/v1/v1.go
+++ b/server/router/api/v1/v1.go
@@ -63,11 +63,23 @@ func NewAPIV1Service(secret string, profile *profile.Profile, store *store.Store
 
 // RegisterGateway registers the gRPC-Gateway with the given Echo instance.
 func (s *APIV1Service) RegisterGateway(ctx context.Context, echoServer *echo.Echo) error {
-	// Create a client connection to the gRPC Server we just started.
-	// This is where the gRPC-Gateway proxies the requests.
+	// Override the default service config:
+	// * Set the maximum request/response message size to 100MB.
+	serviceConfig := `
+{
+	"methodConfig": [
+		{
+			"name": [{}],
+			"maxRequestMessageBytes": 104857600,
+			"maxResponseMessageBytes": 104857600
+		}
+	]
+}
+`
 	conn, err := grpc.DialContext(
 		ctx,
 		fmt.Sprintf(":%d", s.Profile.Port),
+		grpc.WithDefaultServiceConfig(serviceConfig),
 		grpc.WithTransportCredentials(insecure.NewCredentials()),
 	)
 	if err != nil {