diff --git a/pkgs/development/libraries/haskell/llvm-general/default.nix b/pkgs/development/libraries/haskell/llvm-general/default.nix
index 7749c47689e5..ef4677a2ffca 100644
--- a/pkgs/development/libraries/haskell/llvm-general/default.nix
+++ b/pkgs/development/libraries/haskell/llvm-general/default.nix
@@ -1,6 +1,7 @@
 { cabal, HUnit, llvmConfig, llvmGeneralPure, mtl, parsec
 , QuickCheck, setenv, testFramework, testFrameworkHunit
 , testFrameworkQuickcheck2, transformers, utf8String
+, ncurses, zlib
 }:
 
 cabal.mkDerivation (self: {
@@ -14,7 +15,7 @@ cabal.mkDerivation (self: {
     HUnit llvmGeneralPure mtl QuickCheck testFramework
     testFrameworkHunit testFrameworkQuickcheck2
   ];
-  buildTools = [ llvmConfig ];
+  buildTools = [ llvmConfig ncurses zlib ];
   doCheck = false;
   meta = {
     description = "General purpose LLVM bindings";
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 22ed02954942..a24761394558 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -1567,8 +1567,8 @@ let result = let callPackage = x : y : modifyPrio (newScope result.finalReturn x
   ListZipper = callPackage ../development/libraries/haskell/ListZipper {};
 
   llvmGeneral = callPackage ../development/libraries/haskell/llvm-general {
-    # !!! llvm-general pre-release supports 3.4...
-    llvmConfig = pkgs.llvm_33;
+    llvmConfig = pkgs.llvm;
+    inherit (pkgs) zlib ncurses;
   };
 
   llvmGeneralPure = callPackage ../development/libraries/haskell/llvm-general-pure {};