diff --git a/show.cabal b/show.cabal
--- a/show.cabal
+++ b/show.cabal
@@ -1,5 +1,5 @@
 name:                show
-version:             0.4.1.1
+version:             0.4.1.2
 
 license:             GPL
 license-file:        LICENSE
@@ -19,19 +19,23 @@
                      through appropriate Show magic. See <http://twan.home.fmf.nl/blog/haskell/simple-reflection-of-expressions.details>.
 
 build-type:          Simple
-Cabal-Version:       >= 1.2
-tested-with:         GHC==6.8.2
+Cabal-Version:       >= 1.6
+tested-with:         GHC==6.12.1
 
+source-repository head
+  type:     darcs
+  location: http://code.haskell.org/lambdabot
+
 Flag base4
  Description: Build with base-4
- Default: False
+ Default: True
 
 library
    exposed-modules:     ShowQ, ShowFun, SimpleReflect
 
    build-depends:       random, QuickCheck>=2.4, smallcheck>=0.4
    if flag(base4)
-    build-depends:       base>=4 && <4.4, syb >= 0.3 && < 0.4
+    build-depends:       base == 4.*, syb
    else
     build-depends:       base<4