diff --git a/pkgs/development/compilers/mruby/default.nix b/pkgs/development/compilers/mruby/default.nix
index 6cebeed7378e..f268fe2f1e6c 100644
--- a/pkgs/development/compilers/mruby/default.nix
+++ b/pkgs/development/compilers/mruby/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, ruby, bison, rake, fetchFromGitHub }:
+{ lib, stdenv, ruby, rake, fetchFromGitHub }:
 
 stdenv.mkDerivation rec {
   pname = "mruby";
@@ -11,10 +11,12 @@ stdenv.mkDerivation rec {
     sha256  = "sha256-MmrbWeg/G29YBvVrOtceTOZChrQ2kx9+apl7u7BiGjA=";
   };
 
-  nativeBuildInputs = [ ruby bison rake ];
+  nativeBuildInputs = [ rake ];
+
+  nativeCheckInputs = [ ruby ];
 
   # Necessary so it uses `gcc` instead of `ld` for linking.
-  # https://github.com/mruby/mruby/blob/35be8b252495d92ca811d76996f03c470ee33380/tasks/toolchains/gcc.rake#L25
+  # https://github.com/mruby/mruby/blob/e502fd88b988b0a8d9f31b928eb322eae269c45a/tasks/toolchains/gcc.rake#L30
   preBuild = "unset LD";
 
   installPhase = ''
@@ -24,19 +26,13 @@ stdenv.mkDerivation rec {
 
   doCheck = true;
 
-  checkPhase = ''
-    runHook preCheck
-
-    rake test
-
-    runHook postCheck
-  '';
+  checkTarget = "test";
 
   meta = with lib; {
     description = "An embeddable implementation of the Ruby language";
     homepage = "https://mruby.org";
     maintainers = [ maintainers.nicknovitski ];
     license = licenses.mit;
-    platforms = platforms.unix;
+    platforms = platforms.all;
   };
 }