diff --git a/Stackage/Config.hs b/Stackage/Config.hs
index 3fc9cac3..5a4f566b 100644
--- a/Stackage/Config.hs
+++ b/Stackage/Config.hs
@@ -234,6 +234,7 @@ defaultStablePackages ghcVer = unPackageMap $ execWriter $ do
     addRange "Michael Snoyman" "hoogle" "< 4.2.17"
     addRange "Michael Snoyman" "stylish-haskell" "< 0.5.8.0"
     addRange "Michael Snoyman" "fay" "< 0.16.0.2"
+    addRange "Michael Snoyman" "diagrams-haddock" "< 0.1.1.2"
 
     addRange "Michael Snoyman" "hashable" "< 1.2"