diff --git a/Numeric/FFT/Vector/Base.hsc b/Numeric/FFT/Vector/Base.hsc
--- a/Numeric/FFT/Vector/Base.hsc
+++ b/Numeric/FFT/Vector/Base.hsc
@@ -32,12 +32,13 @@
 import Control.Monad.Primitive (RealWorld,PrimMonad(..),
             unsafePrimToPrim, unsafePrimToIO)
 import Control.Monad(forM_)
-import Foreign (Storable(..), Ptr, unsafePerformIO, FunPtr,
+import Foreign (Storable(..), Ptr, FunPtr,
                 ForeignPtr, withForeignPtr, newForeignPtr)
 import Foreign.C (CInt(..), CUInt)
 import Data.Bits ( (.&.) )
 import Data.Complex(Complex(..))
 import Foreign.Storable.Complex()
+import System.IO.Unsafe (unsafePerformIO)
 
 
 
diff --git a/vector-fftw.cabal b/vector-fftw.cabal
--- a/vector-fftw.cabal
+++ b/vector-fftw.cabal
@@ -1,6 +1,6 @@
 Name:                vector-fftw
 
-Version:             0.1.3
+Version:             0.1.3.1
 License:             BSD3
 License-file:        LICENSE
 Author:              Judah Jacobson