diff --git a/pkgs/development/libraries/haskell/HUnit/1.2.5.2.nix b/pkgs/development/libraries/haskell/HUnit/1.2.5.2.nix
new file mode 100644
index 00000000000..cbebb60b174
--- /dev/null
+++ b/pkgs/development/libraries/haskell/HUnit/1.2.5.2.nix
@@ -0,0 +1,18 @@
+{ cabal, deepseq }:
+
+cabal.mkDerivation (self: {
+  pname = "HUnit";
+  version = "1.2.5.2";
+  sha256 = "0hcs6qh8bqhip1kkjjnw7ccgcsmawdz5yvffjj5y8zd2vcsavx8a";
+  buildDepends = [ deepseq ];
+  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 d8d574acdce..a70d41b9b5a 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -139,7 +139,7 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
     haskellSrc   = self.haskellSrc_1_0_1_5;     # 7.6 ok
     html         = self.html_1_0_1_2;           # 7.6 ok
     HTTP         = self.HTTP_4000_2_8;          # 7.6 ok
-    HUnit        = self.HUnit_1_2_5_1;          # 7.6 ok
+    HUnit        = self.HUnit_1_2_5_2;          # 7.6 ok
     mtl          = self.mtl_2_1_2;              # 7.6 ok
     network      = self.network_2_4_1_2;        # 7.6 ok
     OpenGL       = self.OpenGL_2_8_0_0;         # 7.6 ok
@@ -1136,7 +1136,8 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
   HUnit_1_2_4_2 = callPackage ../development/libraries/haskell/HUnit/1.2.4.2.nix {};
   HUnit_1_2_4_3 = callPackage ../development/libraries/haskell/HUnit/1.2.4.3.nix {};
   HUnit_1_2_5_1 = callPackage ../development/libraries/haskell/HUnit/1.2.5.1.nix {};
-  HUnit = self.HUnit_1_2_5_1;
+  HUnit_1_2_5_2 = callPackage ../development/libraries/haskell/HUnit/1.2.5.2.nix {};
+  HUnit = self.HUnit_1_2_5_2;
 
   hxt = callPackage ../development/libraries/haskell/hxt {};