1 files changed, 3 insertions, 4 deletions
diff --git a/nixpkgs/pkgs/tools/text/mdbook/default.nix b/nixpkgs/pkgs/tools/text/mdbook/default.nix
index 9ca92a21db1..9cfdc9c9b7e 100644
--- a/nixpkgs/pkgs/tools/text/mdbook/default.nix
+++ b/nixpkgs/pkgs/tools/text/mdbook/default.nix
@@ -2,16 +2,16 @@
 
 rustPlatform.buildRustPackage rec {
   pname = "mdbook";
-  version = "0.3.7";
+  version = "0.4.2";
 
   src = fetchFromGitHub {
     owner = "rust-lang-nursery";
     repo = "mdBook";
     rev = "v${version}";
-    sha256 = "0a5i842aqa5xaii5lfrnks0ldavbhbd3bl4f2d442i1ahbin5b32";
+    sha256 = "0rkl5k7a9a0vx06jqvbgki2bwag0ar2pcbg3qi88xnjnnmphzpzj";
   };
 
-  cargoSha256 = "1qx3447y684b7y18lgk9cc37if2ld42jnmy1kak191q6rjh5ssh7";
+  cargoSha256 = "1zhlb6wnjnayq833h62nm3ndlhiz1qajw8w5ccc88b8q8m4ipd7c";
 
   buildInputs = stdenv.lib.optionals stdenv.isDarwin [ CoreServices ];
 
@@ -20,6 +20,5 @@ rustPlatform.buildRustPackage rec {
     homepage = "https://github.com/rust-lang-nursery/mdbook";
     license = [ licenses.mpl20 ];
     maintainers = [ maintainers.havvy ];
-    platforms = platforms.all;
   };
 }