diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 7e6552d1d88c..2b37b5c721bc 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -141,7 +141,7 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
     syb          = self.syb_0_3_3; # 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_1_1; # 7.2 fails, 7.3 fails
+    HTTP         = self.HTTP_4000_1_2; # 7.2 ok, 7.3 fails
     deepseq      = self.deepseq_1_1_0_2; # 7.2 ok, 7.3 ok
     text         = self.text_0_11_1_5; # 7.2 ok, 7.3 fails
     transformers = self.transformers_0_2_2_0; # 7.2 ok, 7.3 ok