diff --git a/pkgs/development/libraries/haskell/hask/default.nix b/pkgs/development/libraries/haskell/hask/default.nix
new file mode 100644
index 00000000000..6a9796b596e
--- /dev/null
+++ b/pkgs/development/libraries/haskell/hask/default.nix
@@ -0,0 +1,16 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
+{ cabal, constraints, reflection, tagged, transformers, void }:
+
+cabal.mkDerivation (self: {
+  pname = "hask";
+  version = "0";
+  sha256 = "1c87jxafxpnlyblhdif4br61wqvnad0s6hvfhmzhx9y1jri3rb39";
+  buildDepends = [ constraints reflection tagged transformers void ];
+  meta = {
+    homepage = "http://github.com/ekmett/hask";
+    description = "Categories";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+  };
+})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 9a6e40aab6c..80ee6a7d4ec 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -1061,6 +1061,8 @@ self : let callPackage = x : y : modifyPrio (newScope self x y); in
 
   hashtables = callPackage ../development/libraries/haskell/hashtables {};
 
+  hask = callPackage ../development/libraries/haskell/hask {};
+
   haskelldb = callPackage ../development/libraries/haskell/haskelldb {};
 
   haskeline = callPackage ../development/libraries/haskell/haskeline {};