anchor.diff:    };
     parser = {
       dependencies = ["ast"];
  -    groups = ["default"];
  -    platforms = [];
  -    source = {
  -      remotes = ["https://rubygems.org"];
  -      sha256 = "1pnks149x0fzgqiw53qlmvcd8bi746cxdw03sjljby5s97p1fskn";
  -      type = "gem";
  -    };
  -    version = "2.6.3.0";
  +    groups = ["default" "test"];
  +    platforms = [];
  +    source = {
  +      remotes = ["https://rubygems.org"];
  +      sha256 = "1s1plz33jjd0wm0vlspl5hg1rcg772zm5ibbix9binpd03jrbb8c";
  +      type = "gem";
  +    };
  +    version = "2.6.4.0";
     };
     phantomjs = {
       source = {
  
positive.code:     platforms = [];
      source = {
        remotes = ["https://rubygems.org"];
        sha256 = "0bcm2hchn897xjhqj9zzsxf3n9xhddymj4lsclz508f4vw3av46l";
        type = "gem";
      };
      version = "2.6.0";
    };
    ast = {
      source = {
  
negative.code:     platforms = [];
      source = {
        remotes = ["https://rubygems.org"];
        sha256 = "1gz0ri0pa2xr7b6bf66yjc2wfvk51f4gi6yk7bklwl1nr65zc4gz";
        type = "gem";
      };
      version = "2.0.0";
    };
    sass = {
      dependencies = ["sass-listen"];
  