diff --git a/pkgs/development/libraries/haskell/syb/0.4.1.nix b/pkgs/development/libraries/haskell/syb/0.4.1.nix
new file mode 100644
index 000000000000..63fb364511f3
--- /dev/null
+++ b/pkgs/development/libraries/haskell/syb/0.4.1.nix
@@ -0,0 +1,15 @@
+{ cabal, HUnit, mtl }:
+
+cabal.mkDerivation (self: {
+  pname = "syb";
+  version = "0.4.1";
+  sha256 = "1lkh4rrqdzvb8kyry07x2z88v478hrw5cp8wmhjgpg0ck8ywncma";
+  testDepends = [ HUnit mtl ];
+  meta = {
+    homepage = "http://www.cs.uu.nl/wiki/GenericProgramming/SYB";
+    description = "Scrap Your Boilerplate";
+    license = self.stdenv.lib.licenses.bsd3;
+    platforms = self.ghc.meta.platforms;
+    maintainers = [ self.stdenv.lib.maintainers.andres ];
+  };
+})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 4c7fb8602a50..c49e3d6bcf8e 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -164,7 +164,7 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
     regexPosix   = self.regexPosix_0_95_2;
     split        = self.split_0_2_2;
     stm          = self.stm_2_4_2;
-    syb          = self.syb_0_4_0;
+    syb          = self.syb_0_4_1;
     text         = self.text_0_11_3_1;
     transformers = self.transformers_0_3_0_0;
     unorderedContainers = self.unorderedContainers_0_2_3_0;
@@ -1836,6 +1836,7 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
   syb_0_3_6_2 = callPackage ../development/libraries/haskell/syb/0.3.6.2.nix {};
   syb_0_3_7 = callPackage ../development/libraries/haskell/syb/0.3.7.nix {};
   syb_0_4_0 = callPackage ../development/libraries/haskell/syb/0.4.0.nix {};
+  syb_0_4_1 = callPackage ../development/libraries/haskell/syb/0.4.1.nix {};
   syb = null;  # by default, we assume that syb ships with GHC, which is
                # true for the older GHC versions