diff --git a/pkgs/tools/misc/mcrl2/default.nix b/pkgs/tools/misc/mcrl2/default.nix
new file mode 100644
index 00000000000..7ace1ee9429
--- /dev/null
+++ b/pkgs/tools/misc/mcrl2/default.nix
@@ -0,0 +1,14 @@
+{stdenv, fetchurl, mesa, wxGTK}:
+
+stdenv.mkDerivation {
+  name = "mcrl2-200901";
+  src = fetchurl {
+    url = http://www.win.tue.nl/mcrl2/download/release/mcrl2-200901-src.tar.bz2 ;
+    sha256 = "0lji31d7dv15q8092b8g01j023dd7miq3nw8klgc8jd136xpwdp9";
+  };
+
+  buildInputs = [ mesa wxGTK ] ;
+}
+
+
+