diff --git a/erf.cabal b/erf.cabal
--- a/erf.cabal
+++ b/erf.cabal
@@ -1,14 +1,16 @@
-Name:		erf
-Version:	1.0.0.0
-License:	BSD3
-Author:		Lennart Augustsson
-Maintainer:	Lennart Augustsson
-Category:	Math
-Synopsis:	The error function, erf, and friends
+Name:           erf
+Version:        1.0.0.1
+License:        BSD3
+Author:         Lennart Augustsson
+Maintainer:     Lennart Augustsson
+Category:       Math
+Synopsis:       The error function, erf, and friends
 Stability:      experimental
-Build-type:	Simple
-Description:	A type class for the error function, erf, and related functions.
-		Instances for Float and Double.
+Build-type:     Simple
+License:        BSD3
+Synopsis:       The error function, erf, and related functions.
+Description:    A type class for the error function, erf, and related functions.
+                Instances for Float and Double.
 Hs-Source-Dirs: src
-Build-Depends:		base
-Exposed-modules:	Data.Number.Erf
+Build-Depends:          base >= 4 && < 10
+Exposed-modules:        Data.Number.Erf