diff --git a/levmar.cabal b/levmar.cabal
--- a/levmar.cabal
+++ b/levmar.cabal
@@ -1,5 +1,5 @@
 name:          levmar
-version:       1.2.1
+version:       1.2.1.1
 cabal-version: >= 1.6
 build-type:    Simple
 stability:     experimental
@@ -49,7 +49,7 @@
   build-depends: base                 >= 3     && < 4.6
                , base-unicode-symbols >= 0.1.1 && < 0.3
                , bindings-levmar      >= 1.1   && < 1.2
-               , hmatrix              >= 0.12  && < 0.14
+               , hmatrix              >= 0.12  && < 0.15
                , vector               >= 0.8   && < 0.10
   exposed-modules: Numeric.LevMar
   other-modules: Bindings.LevMar.CurryFriendly