             }
             let headers: [String: [String]] = [
                 "ETag": ["\(ver)"],
+                "Cache-Control": ["max-age=0, must-revalidate"],
                 "Last-Modified": [date.RFC1123String() ?? ""],
                 "Content-Type": ["application/json"]
             ]

    
    func decorateResponse(version: UInt64, date: Date, response: BRHTTPResponse) -> BRHTTPResponse {
        let headers = [
            "ETag": ["\(version)"],
            "Last-Modified": [date.RFC1123String() ?? ""]
        ]

            if del {
                let headers: [String: [String]] = [
                    "ETag": ["\(ver)"],
                    "Cache-Control": ["max-age=0, must-revalidate"],
                    "Last-Modified": [date.RFC1123String() ?? ""]
                ]
                return BRHTTPResponse(
