anchor.diff:  }:
   
   let
  -  version = "3.6.3";
  +  version = "3.6.5";
   
     inherit (stdenv.lib)
       concatMap
  
positive.code: 
    src = fetchurl {
      url = "https://downloads.mongodb.org/src/mongodb-src-r${version}.tar.gz";
      sha256 = "df2d5c05c569ca93eacf88b68e0feb3ff52ffbfc8ccd8736ff20d86850db207c";
    };
  
    nativeBuildInputs = [
  
negative.code:     cyrus-sasl
      gperftools
      #icu
      libpcap
      mongo-c-driver
      openssl
  