diff --git a/pkgs/development/libraries/haskell/monad-par/default.nix b/pkgs/development/libraries/haskell/monad-par/default.nix
new file mode 100644
index 000000000000..1aaee7e08839
--- /dev/null
+++ b/pkgs/development/libraries/haskell/monad-par/default.nix
@@ -0,0 +1,13 @@
+{cabal, deepseq, HUnit}:
+
+cabal.mkDerivation (self : {
+  pname = "monad-par";
+  version = "0.1.0.1";
+  sha256 = "0sd5w09vi12jwzz8xgh51r27577byr6pqp15dw0z5nhf4w869qxq";
+  propagatedBuildInputs = [deepseq HUnit];
+  meta = {
+    description = "A library for parallel programming based on a monad";
+    license = "BSD3";
+    maintainers = [self.stdenv.lib.maintainers.andres];
+  };
+})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 713d8d3cb42a..01ae3d8ee474 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -708,6 +708,8 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
 
   monadLoops = callPackage ../development/libraries/haskell/monad-loops {};
 
+  monadPar = callPackage ../development/libraries/haskell/monad-par {};
+
   monadPeel = callPackage ../development/libraries/haskell/monad-peel {};
 
   MonadPrompt = callPackage ../development/libraries/haskell/MonadPrompt {};