diff --git a/Stackage/Config.hs b/Stackage/Config.hs
index 54f44e53..e6dc0c1a 100644
--- a/Stackage/Config.hs
+++ b/Stackage/Config.hs
@@ -465,9 +465,10 @@ defaultStablePackages ghcVer requireHP = unPackageMap $ execWriter $ do
 
     mapM_ (add "Mihai Maruseac <mihai.maruseac@gmail.com>") $ words
         "io-manager"
-        
-    mapM_ (add "Yann Esposito <yann.esposito@gmail.com>") $ words
-        "holy-project"
+
+    when (ghcVer >= GhcMajorVersion 7 8) $
+        mapM_ (add "Yann Esposito <yann.esposito@gmail.com>") $ words
+            "holy-project"
 
     -- Newest hxt requires network 2.4 or newest
     when (ghcVer == GhcMajorVersion 7 4 && requireHP) $ do