diff --git a/pkgs/tools/text/mdbook/default.nix b/pkgs/tools/text/mdbook/default.nix
index 52d197759eae1..de395f183d185 100644
--- a/pkgs/tools/text/mdbook/default.nix
+++ b/pkgs/tools/text/mdbook/default.nix
@@ -2,23 +2,23 @@
 
 rustPlatform.buildRustPackage rec {
   name = "mdbook-${version}";
-  version = "0.1.8";
+  version = "0.3.1";
 
   src = fetchFromGitHub {
     owner = "rust-lang-nursery";
     repo = "mdBook";
     rev = "v${version}";
-    sha256 = "1xmw4v19ff6mvimwk5l437wslzw5npy60zdb8r4319bjf32pw9pn";
+    sha256 = "0py69267jbs6b7zw191hcs011cm1v58jz8mglqx3ajkffdfl3ghw";
   };
 
-  cargoSha256 = "1xpsc4qff2lrq15mz1gvmw6n5vl88sfwpjbsnp5ja5k1im156lam";
+  cargoSha256 = "0qwhc42a86jpvjcaysmfcw8kmwa150lmz01flmlg74g6qnimff5m";
 
   buildInputs = stdenv.lib.optionals stdenv.isDarwin [ CoreServices ];
 
   meta = with stdenv.lib; {
     description = "Create books from MarkDown";
     homepage = https://github.com/rust-lang-nursery/mdbook;
-    license = [ licenses.asl20 licenses.mit ];
+    license = [ licenses.mpl20 ];
     maintainers = [ maintainers.havvy ];
     platforms = platforms.all;
   };