anchor.diff:  , directory, hpack, hspec, hspec-discover, hspec-expectations
   , http-client, http-conduit, lens, lens-aeson, megaparsec, mtl
   , optparse-applicative, parser-combinators, retry, stdenv, text
  -, unix, unordered-containers, utf8-string, fetchzip
  +, unix, unordered-containers, utf8-string, fetchzip, dotenv
   }:
   mkDerivation rec {
     pname = "vaultenv";
  -  version = "0.8.0";
  +  version = "0.13.0";
   
     src = fetchzip {
       url = "https://github.com/channable/vaultenv/archive/v${version}.tar.gz";
  -    sha256 = "04hrwyy7gsybdwljrks4ym3pshqk1i43f8wpirjx7b0dfjgsd2l5";
  +    sha256 = "0kz5p57fq855mhbqrpb737sqrax9cdcyh2g57460hc8fyvs97lq0";
     };
   
     buildTools = [ hpack ];
  
positive.code:   homepage = "https://github.com/channable/vaultenv#readme";
    description = "Runs processes with secrets from HashiCorp Vault";
    license = stdenv.lib.licenses.bsd3;
    maintainers = with stdenv.lib.maintainers; [ lnl7 ];
    hydraPlatforms = [];
    broken = true;  # does not compile any longer
  }
  
negative.code:     async base bytestring connection containers http-client
      http-conduit lens lens-aeson megaparsec mtl optparse-applicative
      parser-combinators retry text unix unordered-containers utf8-string
      dotenv
    ];
    testHaskellDepends = [
      async base bytestring connection containers directory hspec
  