diff --git a/pkgs/development/compilers/strategoxt/default.nix b/pkgs/development/compilers/strategoxt/default.nix
index c2bbce8c3545..2bdc2d453546 100644
--- a/pkgs/development/compilers/strategoxt/default.nix
+++ b/pkgs/development/compilers/strategoxt/default.nix
@@ -1,2 +1,2 @@
-import ./strategoxt-0.11.nix
+import ./strategoxt-0.12.nix
 
diff --git a/pkgs/development/compilers/strategoxt/strategoxt-0.12.nix b/pkgs/development/compilers/strategoxt/strategoxt-0.12.nix
new file mode 100644
index 000000000000..350b8909d16e
--- /dev/null
+++ b/pkgs/development/compilers/strategoxt/strategoxt-0.12.nix
@@ -0,0 +1,18 @@
+{stdenv, fetchurl, aterm, sdf}:
+
+stdenv.mkDerivation {
+
+  name = "strategoxt-0.12";
+
+  builder = ./builder.sh;
+
+  src = fetchurl {
+    url = ftp://ftp.stratego-language.org/pub/stratego/StrategoXT/strategoxt-0.12.tar.gz;
+    md5 = "bc2b14d9b53a07fc0047c16f2c6edf0c";
+  };
+
+  inherit aterm;
+  inherit (sdf) sglr pgen ptsupport asflibrary;
+
+  buildInputs = [aterm sdf.pgen];
+}