diff --git a/pkgs/development/libraries/haskell/HUnit/1.2.4.2.nix b/pkgs/development/libraries/haskell/HUnit/1.2.4.2.nix
new file mode 100644
index 00000000000..e0dd6bd2bc1
--- /dev/null
+++ b/pkgs/development/libraries/haskell/HUnit/1.2.4.2.nix
@@ -0,0 +1,19 @@
+{ cabal }:
+
+cabal.mkDerivation (self: {
+  pname = "HUnit";
+  version = "1.2.4.2";
+  sha256 = "0yijvrjmmz6vvgi5h1195z4psmymvhq6rr7kkd26nqbd34lbrg7x";
+  isLibrary = true;
+  isExecutable = true;
+  meta = {
+    homepage = "http://hunit.sourceforge.net/";
+    description = "A unit testing framework for Haskell";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+    maintainers = [
+      self.stdenv.lib.maintainers.andres
+      self.stdenv.lib.maintainers.simons
+    ];
+  };
+})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index a6e3302e363..f61da3db5ce 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -774,6 +774,7 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
   HUnit_1_2_0_3 = callPackage ../development/libraries/haskell/HUnit/1.2.0.3.nix {};
   HUnit_1_2_2_1 = callPackage ../development/libraries/haskell/HUnit/1.2.2.1.nix {};
   HUnit_1_2_2_3 = callPackage ../development/libraries/haskell/HUnit/1.2.2.3.nix {};
+  HUnit_1_2_4_3 = callPackage ../development/libraries/haskell/HUnit/1.2.4.2.nix {};
   HUnit = self.HUnit_1_2_0_3;
 
   irc = callPackage ../development/libraries/haskell/irc {