diff --git a/Stackage/Config.hs b/Stackage/Config.hs
index bfb4f148..ecc6ce75 100644
--- a/Stackage/Config.hs
+++ b/Stackage/Config.hs
@@ -306,6 +306,9 @@ defaultStablePackages ghcVer = unPackageMap $ execWriter $ do
     -- https://github.com/fpco/stackage/issues/156
     addRange "Michael Snoyman" "hspec" "< 1.8"
 
+    -- https://github.com/fpco/stackage/issues/157
+    addRange "Michael Snoyman" "pretty-show" "== 1.6.1"
+
     addRange "Michael Snoyman" "hashable" "< 1.2"
 
     -- Requires binary 0.7