diff --git a/pkgs/development/libraries/haskell/MonadRandom/default.nix b/pkgs/development/libraries/haskell/MonadRandom/default.nix
new file mode 100644
index 00000000000..461f98a9033
--- /dev/null
+++ b/pkgs/development/libraries/haskell/MonadRandom/default.nix
@@ -0,0 +1,12 @@
+{cabal, mtl}:
+
+cabal.mkDerivation (self : {
+  pname = "MonadRandom";
+  version = "0.1.3";
+  sha256 = "be4dd46a93b59a5e94b58e6986934ca91feace9962a1741b6107a3dd06879fea";
+  propagatedBuildInputs = [mtl];
+  meta = {
+    description = "Random-number generation monad";
+  };
+})  
+
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 122cb294c37..1c6fb17aea4 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -153,6 +153,10 @@ rec {
     inherit cabal;
   };
 
+  MonadRandom = import ../development/libraries/haskell/MonadRandom {
+    inherit cabal mtl;
+  };
+
   mtl = import ../development/libraries/haskell/mtl {
     inherit cabal;
   };