diff --git a/Stackage/Config.hs b/Stackage/Config.hs
index 51d71e74..27a3c841 100644
--- a/Stackage/Config.hs
+++ b/Stackage/Config.hs
@@ -151,7 +151,7 @@ defaultStablePackages = unPackageMap $ execWriter $ do
     mapM_ (add "Brent Yorgey <byorgey@gmail.com>") $ words =<<
         [ "monoid-extras dual-tree vector-space-points active force-layout"
         , "diagrams diagrams-contrib diagrams-core diagrams-lib diagrams-svg"
-        , "diagrams-postscript diagrams-builder haxr"
+        , "diagrams-postscript diagrams-builder diagrams-haddock haxr"
         , "BlogLiterately BlogLiterately-diagrams"
         ]