diff --git a/pkgs/development/tools/rust/rustfmt/default.nix b/pkgs/development/tools/rust/rustfmt/default.nix
index e636c72b420..a7164b14d3f 100644
--- a/pkgs/development/tools/rust/rustfmt/default.nix
+++ b/pkgs/development/tools/rust/rustfmt/default.nix
@@ -1,19 +1,17 @@
 { stdenv, fetchFromGitHub, rustPlatform }:
 
-with rustPlatform;
-
-buildRustPackage rec {
+rustPlatform.buildRustPackage rec {
   name = "rustfmt-${version}";
-  version = "0.8";
+  version = "0.8.1";
 
   src = fetchFromGitHub {
     owner = "rust-lang-nursery";
     repo = "rustfmt";
-    rev = version;
-    sha256 = "0a613x1ckwl30yamba9m7xi3xrn8pg92p2w3v7k723whyivmjk1s";
+    rev = "v${version}";
+    sha256 = "05rjx7i4wn3z3j8bgqsn146a9vbni6xhxaim9nq13c6dm4nrx96b";
   };
 
-  depsSha256 = "1vach2xf0cs7nivbakhmrm2aqdif3i5vg1syffrs2ghcix9hd21p";
+  depsSha256 = "1rnk33g85r1hkw9l9c52dzr4zka5kghbci9qwni3ph19rfqf0a73";
 
   meta = with stdenv.lib; {
     description = "A tool for formatting Rust code according to style guidelines";