diff --git a/Stackage/Config.hs b/Stackage/Config.hs
index 399b6e0d..b698931c 100644
--- a/Stackage/Config.hs
+++ b/Stackage/Config.hs
@@ -336,6 +336,10 @@ defaultStablePackages ghcVer = unPackageMap $ execWriter $ do
     addRange "Michael Snoyman" "fay-base" "< 0.19"
     addRange "Michael Snoyman" "fay-text" "< 0.3.0.1"
 
+    -- https://github.com/fpco/stackage/issues/175
+    addRange "Michael Snoyman" "blaze-html" "< 0.7"
+    addRange "Michael Snoyman" "blaze-markup" "< 0.6"
+
     addRange "Michael Snoyman" "hashable" "< 1.2"
 
     -- Requires binary 0.7