diff --git a/Stackage/Config.hs b/Stackage/Config.hs
index a5913fe0..24229f40 100644
--- a/Stackage/Config.hs
+++ b/Stackage/Config.hs
@@ -152,6 +152,9 @@ defaultExpectedFailures ghcVer = execWriter $ do
     -- https://github.com/fpco/stackage/issues/226
     add "options"
 
+    -- Requires too high a bytestring
+    when (ghcVer <= GhcMajorVersion 7 4) $ add "scientific"
+
   where
     add = tell . singleton . PackageName
 
diff --git a/Stackage/Select.hs b/Stackage/Select.hs
index dcc53cd5..bf9e1d5d 100644
--- a/Stackage/Select.hs
+++ b/Stackage/Select.hs
@@ -40,7 +40,11 @@ defaultSelectSettings version = SelectSettings
             Just v | Just range <- simpleParse "< 0.5", v `withinRange` range
                 -> Set.singleton "containers-old"
             _ -> Set.empty)
-    , disabledFlags = Set.fromList $ words "bytestring-in-base test-hlint"
+    , disabledFlags = Set.fromList (words "bytestring-in-base test-hlint")
+        `Set.union`
+        (if version <= GhcMajorVersion 7 4
+            then Set.singleton "bytestring-builder"
+            else Set.empty)
     , allowedPackage = const $ Right ()
     , useGlobalDatabase = False
     , skippedTests =