diff --git a/Numeric/LevMar.hs b/Numeric/LevMar.hs
--- a/Numeric/LevMar.hs
+++ b/Numeric/LevMar.hs
@@ -64,7 +64,7 @@
 import Foreign.Ptr           ( Ptr, nullPtr )
 import Foreign.ForeignPtr    ( ForeignPtr, newForeignPtr_, withForeignPtr )
 import Foreign.Storable      ( Storable )
-import Prelude               ( Enum, Fractional, RealFrac, Float, Double
+import Prelude               ( Num, Enum, Fractional, RealFrac, Float, Double
                              , fromIntegral, toEnum, (-), (*), error, floor
                              )
 import System.IO             ( IO )
@@ -85,9 +85,14 @@
 #endif
 
 -- from hmatrix:
-import Data.Packed.Matrix    ( Matrix, Element, flatten, rows, reshape )
-import Numeric.Container     ( Container )
-import Numeric.LinearAlgebra ( {- Instances for Matrix -} )
+#if MIN_VERSION_hmatrix(0,17,0)
+import Numeric.LinearAlgebra.Data ( Matrix, flatten, rows, reshape )
+import Numeric.LinearAlgebra      ( Container, Element )
+#else
+import Data.Packed.Matrix         ( Matrix, Element, flatten, rows, reshape )
+import Numeric.Container          ( Container )
+import Numeric.LinearAlgebra      ( {- Instances for Matrix -} )
+#endif
 
 -- from vector:
 import           Data.Vector.Storable       ( Vector )
@@ -233,7 +238,7 @@
   boxConstrained && (all $ zipWith (<=) (fromJust mLowBs) (fromJust mUpBs))
 @
 -}
-gen_levmar :: forall r. (Storable r, RealFrac r, Element r)
+gen_levmar :: forall r. (RealFrac r, Element r)
            => LevMarDer r
            -> LevMarDif r
            -> LevMarBCDer r
@@ -462,7 +467,7 @@
     , linearConstraints :: !(Maybe (LinearConstraints r)) -- ^ Optional linear constraints
     } deriving (Read, Show, Typeable)
 
-deriving instance (Eq r, Container Vector r) => Eq (Constraints r)
+deriving instance (Eq r, Container Vector r, Num r) => Eq (Constraints r)
 
 -- | Linear constraints consisting of a constraints matrix, @k><m@ and
 --   a right hand constraints vector, of length @k@ where @m@ is the number of
diff --git a/levmar.cabal b/levmar.cabal
--- a/levmar.cabal
+++ b/levmar.cabal
@@ -1,5 +1,5 @@
 name:          levmar
-version:       1.2.1.5
+version:       1.2.1.6
 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     && < 4.9
+  build-depends: base                 >= 3     && < 4.10
                , bindings-levmar      >= 1.1   && < 1.2
-               , hmatrix              >= 0.12  && < 0.17
-               , vector               >= 0.8   && < 0.11
+               , hmatrix              >= 0.12  && < 0.18
+               , vector               >= 0.8   && < 0.12
   exposed-modules: Numeric.LevMar
   other-modules: Bindings.LevMar.CurryFriendly
   ghc-options: -Wall