diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 48cba3d92b8..581fb22b61d 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -742,7 +742,7 @@ rec {
 
   frown = callPackage ../development/tools/parsing/frown {};
 
-  haddock = haddock_2_4_2;
+  haddock = haddock_2_7_2;
 
   haddock_2_4_2 = callPackage ../development/tools/documentation/haddock/haddock-2.4.2.nix {};