diff --git a/Stackage/Config.hs b/Stackage/Config.hs
index 080d44af..52e3a743 100644
--- a/Stackage/Config.hs
+++ b/Stackage/Config.hs
@@ -149,6 +149,10 @@ defaultStablePackages = unPackageMap $ execWriter $ do
 
     -- https://github.com/fpco/stackage/issues/50
     addRange "Michael Snoyman" "free" "< 3.4"
+
+    -- https://github.com/fpco/stackage/issues/52
+    addRange "Michael Snoyman" "lens" "< 3.9"
+    addRange "Michael Snoyman" "generic-deriving" "< 1.5"
   where
     add maintainer package = addRange maintainer package "-any"
     addRange maintainer package range =