diff --git a/pkgs/development/libraries/haskell/syb/0.3.5.nix b/pkgs/development/libraries/haskell/syb/0.3.5.nix
deleted file mode 100644
index f15911c08bd..00000000000
--- a/pkgs/development/libraries/haskell/syb/0.3.5.nix
+++ /dev/null
@@ -1,17 +0,0 @@
-{ cabal }:
-
-cabal.mkDerivation (self: {
-  pname = "syb";
-  version = "0.3.5";
-  sha256 = "17gwhn0rqjf9zkx1dsmsaj41qdjlk4mq5lzpqkgy3slq30nwwwbr";
-  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
-      self.stdenv.lib.maintainers.simons
-    ];
-  };
-})
diff --git a/pkgs/development/libraries/haskell/syb/0.3.3.nix b/pkgs/development/libraries/haskell/syb/0.3.6.nix
similarity index 81%
rename from pkgs/development/libraries/haskell/syb/0.3.3.nix
rename to pkgs/development/libraries/haskell/syb/0.3.6.nix
index 01cc80c883d..a40b25cc1bc 100644
--- a/pkgs/development/libraries/haskell/syb/0.3.3.nix
+++ b/pkgs/development/libraries/haskell/syb/0.3.6.nix
@@ -2,8 +2,8 @@
 
 cabal.mkDerivation (self: {
   pname = "syb";
-  version = "0.3.3";
-  sha256 = "0jskxbnzariq2ahcymvjrp4bhl9cpflc1nh51whdl9axcrd5c901";
+  version = "0.3.6";
+  sha256 = "1khb5h4gw1f9l9zhb7x1y9rf2qpypbvm9kmpf0b6xgggd2800s25";
   meta = {
     homepage = "http://www.cs.uu.nl/wiki/GenericProgramming/SYB";
     description = "Scrap Your Boilerplate";
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 1b086de0266..90a5ffebea7 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -149,7 +149,7 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
     regexCompat  = self.regexCompat_0_93_1; # 7.2 ok, 7.3 ok
     regexPosix   = self.regexPosix_0_94_4; # 7.2 ok, 7.3 ok
     stm          = self.stm_2_2_0_1; # 7.2 ok, 7.3 ok
-    syb          = self.syb_0_3_5; # 7.2 ok, 7.3 ok
+    syb          = self.syb_0_3_6; # 7.2 ok, 7.3 ok
     xhtml        = self.xhtml_3000_2_0_1; # 7.2 ok, 7.3 ok
     zlib         = self.zlib_0_5_3_1; # 7.2 ok, 7.3 ok
     HTTP         = self.HTTP_4000_2_1; # 7.2 ok, 7.3 ok
@@ -1113,9 +1113,7 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
 
   syb_0_2_2 = callPackage ../development/libraries/haskell/syb/0.2.2.nix {};
   syb_0_3   = callPackage ../development/libraries/haskell/syb/0.3.nix {};
-  syb_0_3_5 = callPackage ../development/libraries/haskell/syb/0.3.5.nix {};
-  syb02     = self.syb_0_2_2;
-  syb03     = self.syb_0_3;
+  syb_0_3_6 = callPackage ../development/libraries/haskell/syb/0.3.6.nix {};
   syb       = null; # by default, we assume that syb ships with GHC, which is
                     # true for the older GHC versions
 
@@ -1398,7 +1396,7 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
   idris = callPackage ../development/compilers/idris {};
 
   pakcs = callPackage ../development/compilers/pakcs {
-    syb = self.syb02;
+    syb = self.syb_0_2_2;
   };
 
   # Development tools.