diff --git a/pkgs/development/compilers/mrustc/default.nix b/pkgs/development/compilers/mrustc/default.nix
index c08248d9b5fcd..aa400a99de2aa 100644
--- a/pkgs/development/compilers/mrustc/default.nix
+++ b/pkgs/development/compilers/mrustc/default.nix
@@ -6,7 +6,7 @@
 }:
 
 let
-  version = "0.11.2";
+  version = "0.12.0";
   tag = "v${version}";
   rev = "b6754f574f8846eb842feba4ccbeeecb10bdfacc";
 in
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
     owner = "thepowersgang";
     repo = "mrustc";
     rev = tag;
-    hash = "sha256-HW9+2mXri3ismeNeaDoTsCY6lxeH8AELegk+YbIn7Jw=";
+    hash = "sha256-wqHTTnk9c1khLsN6e0v703tUoTlpncMwZPXTKEVZ33s=";
   };
 
   postPatch = ''