diff --git a/levmar.cabal b/levmar.cabal
--- a/levmar.cabal
+++ b/levmar.cabal
@@ -1,5 +1,5 @@
 name:          levmar
-version:       1.2.1.7
+version:       1.2.1.8
 cabal-version: >= 1.6
 build-type:    Simple
 stability:     experimental
@@ -46,10 +46,10 @@
   Location: git://github.com/basvandijk/levmar.git
 
 library
-  build-depends: base                 >= 3     && < 4.11
-               , bindings-levmar      >= 1.1   && < 1.2
-               , hmatrix              >= 0.12  && < 0.19
-               , vector               >= 0.8   && < 0.12
+  build-depends: base            >= 3 && < 5
+               , bindings-levmar >= 1.1
+               , hmatrix         >= 0.12
+               , vector          >= 0.8
   exposed-modules: Numeric.LevMar
   other-modules: Bindings.LevMar.CurryFriendly
   ghc-options: -Wall