diff --git a/fft.cabal b/fft.cabal
--- a/fft.cabal
+++ b/fft.cabal
@@ -1,5 +1,5 @@
 name:                fft
-version:             0.1.8.3
+version:             0.1.8.4
 synopsis:            Bindings to the FFTW library.
 description:
                      Bindings to the FFTW library.
@@ -20,7 +20,7 @@
 flag base4
 
 source-repository this
-  tag:         0.1.8.3
+  tag:         0.1.8.4
   type:        darcs
   location:    http://hub.darcs.net/thielema/fft/
 
@@ -62,7 +62,7 @@
     fft,
     carray,
     storable-complex,
-    QuickCheck >=2.5 && <2.9,
+    QuickCheck >=2.5 && <2.10,
     base
   ghc-options:     -Wall
   main-is: tests.hs