diff --git a/Data/AEq.hs b/Data/AEq.hs
--- a/Data/AEq.hs
+++ b/Data/AEq.hs
@@ -1,9 +1,10 @@
+{-# LANGUAGE CPP #-}
 -----------------------------------------------------------------------------
 -- |
 -- Module     : Data.AEq
--- Copyright  : Copyright (c) 2008, Patrick Perry <patperry@stanford.edu>
+-- Copyright  : Copyright (c) 2010, Patrick Perry <patperry@gmail.com>
 -- License    : BSD3
--- Maintainer : Patrick Perry <patperry@stanford.edu>
+-- Maintainer : Patrick Perry <patperry@gmail.com>
 -- Stability  : experimental
 --
 -- A type class for approximate and exact equalilty comparisons and instances 
@@ -222,9 +223,20 @@
     (===) = identicalRealFloat
     (~==) = approxEqRealFloat
 
+#if defined(__GLASGOW_HASKELL__) && __GLASGOW_HASKELL__ <= 610
+
+{-
+ - CLDouble was removed[1] from GHC 6.12 but is due to return later[2].
+ -
+ - [1] http://hackage.haskell.org/trac/ghc/ticket/2793
+ - [2] http://hackage.haskell.org/trac/ghc/ticket/3353
+ -}
+ 
 instance AEq CLDouble where
     (===) = identicalRealFloat
     (~==) = approxEqRealFloat
+
+#endif
 
 instance (AEq a, AEq b) => AEq (a,b) where
     (===) (a1,b1) (a2,b2) = ((===) a1 a2) && ((===) b1 b2)
diff --git a/NEWS b/NEWS
new file mode 100644
--- /dev/null
+++ b/NEWS
@@ -0,0 +1,3 @@
+Changes in 0.6.1:
+
+ * Remove AEq instance for CLDouble (thanks to Bjorn Buckwalter)
diff --git a/ieee.cabal b/ieee.cabal
--- a/ieee.cabal
+++ b/ieee.cabal
@@ -1,5 +1,5 @@
 name:            ieee
-version:         0.6
+version:         0.6.1
 homepage:        http://github.com/patperry/hs-ieee
 synopsis:        Approximate comparisons for IEEE floating point numbers
 description:
@@ -11,14 +11,14 @@
 category:        Math
 license:         BSD3
 license-file:    LICENSE
-copyright:       (c) 2009. Patrick Perry <patperry@gmail.com>
+copyright:       (c) 2010. Patrick Perry <patperry@gmail.com>
 author:          Patrick Perry
 maintainer:      Patrick Perry <patperry@gmail.com>
 cabal-version: >= 1.2.0
 build-type:      Custom
-tested-with:     GHC ==6.10.1
+tested-with:     GHC ==6.12.2
 
-extra-source-files: tests/Properties.hs
+extra-source-files: NEWS tests/Properties.hs
 
 library
     exposed-modules: Data.AEq
@@ -27,3 +27,5 @@
     build-depends:   base >= 3 && < 5
 
     ghc-options:     -Wall
+
+    extensions:      CPP