diff --git a/FileManipCompat.cabal b/FileManipCompat.cabal
--- a/FileManipCompat.cabal
+++ b/FileManipCompat.cabal
@@ -1,5 +1,5 @@
 Name:               FileManipCompat
-Version:            0.14
+Version:            0.15
 License:            BSD3
 License-File:       LICENSE
 Author:             Bryan O'Sullivan <bos@serpentine.com>
@@ -17,10 +17,7 @@
   Description:     Choose the new, split-up base package.
 
 Library
-  if flag(splitBase)
-    Build-Depends: base <5, bytestring, directory, filepath, mtl, unix-compat
-  else
-    Build-Depends: base <4, filepath, mtl, unix-compat
+  Build-Depends: base >= 3 && < 4, bytestring, directory, filepath, mtl, unix-compat
 
   GHC-Options:    -Wall 
   Exposed-Modules: