diff --git a/Math/Rotations/Class.hs b/Math/Rotations/Class.hs
--- a/Math/Rotations/Class.hs
+++ b/Math/Rotations/Class.hs
@@ -24,6 +24,7 @@
                             ) where
 
 import Math.Manifold.Core.Types
+import Math.Manifold.Core.PseudoAffine
 import Data.VectorSpace
 import Linear.V3 (V3(V3))
 
@@ -161,6 +162,3 @@
       ,[r₂₀,r₂₁,r₂₂] ] -> \(V3 x y z) -> V3 (r₀₀*x + r₀₁*y + r₀₂*z)
                                             (r₁₀*x + r₁₁*y + r₁₂*z)
                                             (r₂₀*x + r₂₁*y + r₂₂*z)
-
-tau :: ℝ
-tau = 2*pi
diff --git a/spatial-rotations.cabal b/spatial-rotations.cabal
--- a/spatial-rotations.cabal
+++ b/spatial-rotations.cabal
@@ -2,14 +2,14 @@
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 name:                spatial-rotations
-version:             0.1.0.1
+version:             0.1.0.2
 synopsis:            Rotate about any suitable axis
 -- description:         
 homepage:            https://github.com/leftaroundabout/rotations
 license:             GPL-3
 license-file:        LICENSE
 author:              Justus Sagemüller
-maintainer:          (@) jsagemue $ uni-koeln.de
+maintainer:          (@) jsag $ hvl.no
 -- copyright:           
 category:            Math
 build-type:          Simple
@@ -21,8 +21,8 @@
   -- other-modules:       
   -- other-extensions:    
   build-depends:       base >=4.8 && <6
-                       , manifolds-core >=0.5 && <0.6
-                       , vector-space >=0.12 && <0.13
+                       , manifolds-core >=0.5 && <0.7
+                       , vector-space >=0.12 && <0.18
                        , linear
   -- hs-source-dirs:      
   default-language:    Haskell2010