diff --git a/compdata.cabal b/compdata.cabal
--- a/compdata.cabal
+++ b/compdata.cabal
@@ -1,5 +1,5 @@
 Name:			compdata
-Version:		0.8
+Version:		0.8.0.1
 Synopsis:            	Compositional Data Types
 Description:
 
@@ -88,6 +88,7 @@
 Maintainer:		paba@diku.dk
 Build-Type:		Simple
 Cabal-Version:          >=1.9.2
+bug-reports:            https://bitbucket.org/paba/compdata/issues
 
 extra-source-files:
   -- test files
@@ -180,7 +181,7 @@
                         Data.Comp.Multi.Derive.Injections
                         Data.Comp.Multi.Derive.Projections
 
-  Build-Depends:	base == 4.*, template-haskell, containers, mtl, QuickCheck >= 2, derive,
+  Build-Depends:	base >= 4.7, base < 5, template-haskell, containers, mtl, QuickCheck >= 2, derive,
                         deepseq, th-expand-syns, transformers, tree-view
   hs-source-dirs:	src
   ghc-options:          -W
@@ -190,7 +191,7 @@
   Type:                 exitcode-stdio-1.0
   Main-is:		Data_Test.hs
   hs-source-dirs:	testsuite/tests examples
-  Build-Depends:        compdata, base == 4.*, template-haskell, containers, mtl, QuickCheck >= 2, 
+  Build-Depends:        compdata, base >= 4.7, base < 5, template-haskell, containers, mtl, QuickCheck >= 2, 
                         HUnit, test-framework, test-framework-hunit, test-framework-quickcheck2, derive,
                         th-expand-syns, deepseq, transformers
 
@@ -201,7 +202,7 @@
   ghc-options:          -W -O2
   -- Disable short-cut fusion rules in order to compare optimised and unoptimised code.
   cpp-options:          -DNO_RULES
-  Build-Depends:        base == 4.*, template-haskell, containers, mtl, QuickCheck >= 2, derive, deepseq, criterion, random, uniplate, th-expand-syns, transformers
+  Build-Depends:        base >= 4.7, base < 5, template-haskell, containers, mtl, QuickCheck >= 2, derive, deepseq, criterion, random, uniplate, th-expand-syns, transformers
 
 Benchmark macro
   Type:                 exitcode-stdio-1.0
@@ -210,10 +211,11 @@
   ghc-options:          -W -O2
   -- Disable short-cut fusion rules in order to compare optimised and unoptimised code.
   cpp-options:          -DNO_RULES
-  Build-Depends:        base == 4.*, template-haskell, containers, mtl, QuickCheck >= 2, derive, 
+  Build-Depends:        base >= 4.7, base < 5, template-haskell, containers, mtl, QuickCheck >= 2, derive, 
                         deepseq, criterion, random, uniplate, th-expand-syns, transformers
 
 
 source-repository head
   type:     hg
   location: https://bitbucket.org/paba/compdata
+