diff --git a/Stackage/Config.hs b/Stackage/Config.hs
index 55caee12..68bd6f12 100644
--- a/Stackage/Config.hs
+++ b/Stackage/Config.hs
@@ -187,6 +187,7 @@ defaultStablePackages = unPackageMap $ execWriter $ do
     addRange "Michael Snoyman" "statistics" "< 0.10.4"
 
     addRange "Michael Snoyman" "reflection" "< 1.3"
+    addRange "Michael Snoyman" "compdata" "< 0.6.1.3"
   where
     add maintainer package = addRange maintainer package "-any"
     addRange maintainer package range =