diff --git a/Math/Manifold/Core/PseudoAffine.hs b/Math/Manifold/Core/PseudoAffine.hs
--- a/Math/Manifold/Core/PseudoAffine.hs
+++ b/Math/Manifold/Core/PseudoAffine.hs
@@ -3,7 +3,7 @@
 -- Copyright   : (c) Justus Sagemüller 2016
 -- License     : GPL v3
 -- 
--- Maintainer  : (@) sagemueller $ geo.uni-koeln.de
+-- Maintainer  : (@) jsag $ hvl.no
 -- Stability   : experimental
 -- Portability : portable
 -- 
diff --git a/Math/Manifold/Core/Types.hs b/Math/Manifold/Core/Types.hs
--- a/Math/Manifold/Core/Types.hs
+++ b/Math/Manifold/Core/Types.hs
@@ -3,7 +3,7 @@
 -- Copyright   : (c) Justus Sagemüller 2016
 -- License     : GPL v3
 -- 
--- Maintainer  : (@) sagemueller $ geo.uni-koeln.de
+-- Maintainer  : (@) jsag $ hvl.no
 -- Stability   : experimental
 -- Portability : portable
 -- 
diff --git a/Math/Manifold/VectorSpace/ZeroDimensional.hs b/Math/Manifold/VectorSpace/ZeroDimensional.hs
--- a/Math/Manifold/VectorSpace/ZeroDimensional.hs
+++ b/Math/Manifold/VectorSpace/ZeroDimensional.hs
@@ -3,7 +3,7 @@
 -- Copyright   : (c) Justus Sagemüller 2016
 -- License     : GPL v3
 -- 
--- Maintainer  : (@) sagemueller $ geo.uni-koeln.de
+-- Maintainer  : (@) jsag $ hvl.no
 -- Stability   : experimental
 -- Portability : portable
 -- 
diff --git a/manifolds-core.cabal b/manifolds-core.cabal
--- a/manifolds-core.cabal
+++ b/manifolds-core.cabal
@@ -2,7 +2,7 @@
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 name:                manifolds-core
-version:             0.5.0.3
+version:             0.5.0.4
 synopsis:            The basic classes for the manifolds hierarchy.
 description:         The basic classes for the
                      <http://hackage.haskell.org/package/manifolds manifolds> hierarchy.
@@ -10,7 +10,7 @@
 license:             GPL-3
 license-file:        LICENSE
 author:              Justus Sagemüller
-maintainer:          (@) jsagemue $ uni-koeln.de
+maintainer:          (@) jsag $ hvl.no
 -- copyright:           
 category:            Math
 build-type:          Simple