diff --git a/Debug/Show.hs b/Debug/Show.hs
--- a/Debug/Show.hs
+++ b/Debug/Show.hs
@@ -2,7 +2,7 @@
 -- correct haskell code, especially for exception types.
 
 {-# LANGUAGE CPP, FlexibleInstances #-}
-{-# OPTIONS -Wincomplete-patterns -Werror #-}
+{-# OPTIONS -Wall -Werror #-}
 
 module Debug.Show (V(V)) where
 import Control.Exception
diff --git a/show-please.cabal b/show-please.cabal
--- a/show-please.cabal
+++ b/show-please.cabal
@@ -1,5 +1,5 @@
 Name:           show-please
-Version:        0.5.2
+Version:        0.5.3
 License:        BSD3
 Author:         David Fox <dsf@seereason.com>
 Category:       debug