diff --git a/peano.cabal b/peano.cabal
--- a/peano.cabal
+++ b/peano.cabal
@@ -1,5 +1,5 @@
 name:                peano
-version:             0.1.0.0
+version:             0.1.0.1
 synopsis:            Peano numbers
 license:             OtherLicense
 license-file:        LICENSE
@@ -12,4 +12,4 @@
 library
   exposed-modules:     Data.Peano
   extensions:          DeriveDataTypeable
-  build-depends:       base >=4.8 && <4.9
+  build-depends:       base >=4.7 && <4.9