anchor.diff:    };
   
     docker_19_03 = makeOverridable dockerGen rec {
  -    version = "19.03.12";
  +    version = "19.03.13";
       rev = "v${version}";
  -    sha256 = "0i5xr8q3yjrz5zsjcq63v4g1mzqpingjr1hbf9amk14484i2wkw7";
  +    sha256 = "139qqy8jiz1phnngknpa7c1nk9iqwd3hcc9as8x50p1vnycwzr3f";
       runcRev = "dc9208a3303feef5b3839f4323d9beb36df0a9dd"; # v1.0.0-rc10
       runcSha256 = "0pi3rvj585997m4z9ljkxz2z9yxf9p2jr0pmqbqrc7bc95f5hagk";
  -    containerdRev = "7ad184331fa3e55e52b890ea95e65ba581ae3429"; # v1.2.13
  -    containerdSha256 = "1rac3iak3jpz57yarxc72bxgxvravwrl0j6s6w2nxrmh2m3kxqzn";
  +    # Note: Once all packaged Docker versions use containerd <=1.2 or >=1.4 remove the libseccomp and pkgconfig inputs above
  +    containerdRev = "8fba4e9a7d01810a393d5d25a3621dc101981175"; # v1.3.7
  +    containerdSha256 = "10zy507ajslizicagb64dvbs7wmw0j4x3hdhygbdh4g2nv3mgjb7";
       tiniRev = "fec3683b971d9c3ef73f284f176672c44b448662"; # v0.18.0
       tiniSha256 = "1h20i3wwlbd8x4jr2gz68hgklh0lb0jj7y5xk1wvr8y58fip1rdn";
     };
  
positive.code:       patches = [];
      });
  
      docker-containerd = containerd.overrideAttrs (oldAttrs: {
        name = "docker-containerd-${version}";
        inherit version;
        src = fetchFromGitHub {
  
negative.code:         rev = containerdRev;
          sha256 = containerdSha256;
        };
        # This should be removed once Docker uses containerd >=1.4
        nativeBuildInputs = oldAttrs.nativeBuildInputs ++ lib.optional withlibseccomp pkgconfig;
        buildInputs = oldAttrs.buildInputs ++ lib.optional withlibseccomp libseccomp;
      });
  
      docker-tini = tini.overrideAttrs  (oldAttrs: {
  