diff --git a/library/Text/Regex/PCRE/Heavy.hs b/library/Text/Regex/PCRE/Heavy.hs
--- a/library/Text/Regex/PCRE/Heavy.hs
+++ b/library/Text/Regex/PCRE/Heavy.hs
@@ -48,7 +48,7 @@
 import qualified Data.ByteString.Char8 as BS
 import qualified Data.ByteString.Internal as BS
 import           System.IO.Unsafe (unsafePerformIO)
-import           Foreign
+import           Foreign (withForeignPtr, allocaBytes, nullPtr, plusPtr, peekElemOff)
 import           Debug.Trace
 
 substr ∷ BS.ByteString → (Int, Int) → BS.ByteString
diff --git a/pcre-heavy.cabal b/pcre-heavy.cabal
--- a/pcre-heavy.cabal
+++ b/pcre-heavy.cabal
@@ -1,5 +1,5 @@
 name:            pcre-heavy
-version:         0.2.4
+version:         0.2.5
 synopsis:        A regexp library on top of pcre-light you can actually use.
 description:
     A regular expressions library that does not suck.