diff --git a/CHANGELOG b/CHANGELOG
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,6 @@
+0.2.5.2
+  * Build with current Cabal. Thanks to Mitsutoshi Aoe for this fix.
+
 0.2.5.1
   * Fix warnings in GHC 7.4.
 
diff --git a/System/Lock/FLock.hsc b/System/Lock/FLock.hsc
--- a/System/Lock/FLock.hsc
+++ b/System/Lock/FLock.hsc
@@ -5,7 +5,7 @@
 
 import Control.Monad.Trans (MonadIO, liftIO)
 import Data.Bits ((.|.))
-#if MIN_VERSION_base(4,5,0)
+#if __GLASGOW_HASKELL__ > 702
 import Foreign.C.Types (CInt(..))
 #else
 import Foreign.C.Types (CInt)
diff --git a/flock.cabal b/flock.cabal
--- a/flock.cabal
+++ b/flock.cabal
@@ -1,5 +1,5 @@
 Name:               flock
-Version:            0.2.5.1
+Version:            0.2.5.2
 License:            OtherLicense
 License-File:       COPYING
 Copyright:          Ian Lynagh, 2007