diff --git a/pkgs/development/libraries/haskell/GenericPretty/default.nix b/pkgs/development/libraries/haskell/GenericPretty/default.nix
new file mode 100644
index 00000000000..d2b8fedfc5e
--- /dev/null
+++ b/pkgs/development/libraries/haskell/GenericPretty/default.nix
@@ -0,0 +1,15 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
+{ cabal }:
+
+cabal.mkDerivation (self: {
+  pname = "GenericPretty";
+  version = "1.2.1";
+  sha256 = "0bb70mic7srr7x8k83d1i0m0a32gm72zr78ccdf3ckchj9136php";
+  meta = {
+    homepage = "https://github.com/RazvanRanca/GenericPretty";
+    description = "A generic, derivable, haskell pretty printer";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+  };
+})
diff --git a/pkgs/development/libraries/haskell/hsbencher/default.nix b/pkgs/development/libraries/haskell/hsbencher/default.nix
new file mode 100644
index 00000000000..6103fc9cddf
--- /dev/null
+++ b/pkgs/development/libraries/haskell/hsbencher/default.nix
@@ -0,0 +1,22 @@
+# This file was auto-generated by cabal2nix. Please do NOT edit manually!
+
+{ cabal, async, dataDefault, filepath, GenericPretty, HUnit
+, ioStreams, mtl, random, testFramework, testFrameworkHunit, text
+, time
+}:
+
+cabal.mkDerivation (self: {
+  pname = "hsbencher";
+  version = "1.20.0.2";
+  sha256 = "1ydx70ik48s9fsn51snpl4aq7imfwgqmfin46sqpz0xlcyxs040z";
+  buildDepends = [
+    async dataDefault filepath GenericPretty ioStreams mtl random time
+  ];
+  testDepends = [ HUnit testFramework testFrameworkHunit text time ];
+  doCheck = false;
+  meta = {
+    description = "Launch and gather data from Haskell and non-Haskell benchmarks";
+    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 e41c22b34d4..f751b2a3504 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -900,6 +900,8 @@ self : let callPackage = x : y : modifyPrio (newScope self x y); in
 
   genericDeriving = callPackage ../development/libraries/haskell/generic-deriving {};
 
+  GenericPretty = callPackage ../development/libraries/haskell/GenericPretty {};
+
   genericsSop = callPackage ../development/libraries/haskell/generics-sop {};
 
   ghcCore = callPackage ../development/libraries/haskell/ghc-core {};
@@ -1247,6 +1249,8 @@ self : let callPackage = x : y : modifyPrio (newScope self x y); in
 
   hS3 = callPackage ../development/libraries/haskell/hS3 {};
 
+  hsbencher = callPackage ../development/libraries/haskell/hsbencher {};
+
   hsBibutils = callPackage ../development/libraries/haskell/hs-bibutils {};
 
   hsc3 = callPackage ../development/libraries/haskell/hsc3 {};