diff --git a/sifflet-lib.cabal b/sifflet-lib.cabal
--- a/sifflet-lib.cabal
+++ b/sifflet-lib.cabal
@@ -1,10 +1,10 @@
 name: sifflet-lib
-version: 2.2.0
+version: 2.2.1
 cabal-version: >= 1.8
 build-type: Simple
 license: BSD3
 license-file: LICENSE
-copyright: (C) 2009-2013 Gregory D. Weber
+copyright: (C) 2009-2014 Gregory D. Weber
 author: Gregory D. Weber
 maintainer: "gdweber" ++ drop 3 "abc@" ++ "iue.edu"
 bug-reports: mailto:"gdweber" ++ drop 3 "abc@" ++ "iue.edu"
@@ -45,10 +45,10 @@
     parsec >= 2.1.0.1 && < 3.2, 
     process >= 1.0 && < 1.2
   if !os(windows)
-    build-depends: unix >= 2.3 && < 2.6
+    build-depends: unix >= 2.3 && < 2.7
   buildable: True
   extensions: ForeignFunctionInterface CPP
-  ghc-options: -Wall
+  ghc-options: -Wall -fwarn-incomplete-uni-patterns 
   -- if os(windows)
     -- extra-libraries: gdk-2.0 gtk+-2.0
     -- includes: gtk/gtk.h, gdk/gdk.h