diff --git a/AUTHORS.md b/AUTHORS.md
deleted file mode 100644
index 2579161..0000000
--- a/AUTHORS.md
+++ /dev/null
@@ -1,8 +0,0 @@
-The following people have participated in creating this library, either by
-directly contributing code, by providing thoughtful input in discussions about
-the library design, or somehow else. In order of appearance:
-
-- [Danny Navarro](mailto:j@dannynavarro.net) - [@jdnavarro](https://github.com/jdnavarro)
-- [Matthías Páll Gissurarson](mailto:mpg@mpg.is) -  [@Tritlo](https://github.com/Tritlo)
-- [Sólrún Halla Einarsdóttir](mailto:she@mpg.is) - [@solrun](https://github.com/solrun)
-- [Pweaver (Paul Weaver)] (mailto:paul@mordor.org) - [@pweaver](https://github.com/pweaver)
diff --git a/LICENSE b/LICENSE
index f4d7ae8..c93baee 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,5 @@
-Copyright J. Daniel Navarro (c) 2015-2019
+Copyright 2019 Eugen Wissner, Germany
+Copyright 2015-2017 J. Daniel Navarro
 
 All rights reserved.
 
diff --git a/README.md b/README.md
index 84daeb7..866b186 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,7 @@
 
 [![Hackage Version](https://img.shields.io/hackage/v/graphql.svg)](https://hackage.haskell.org/package/graphql)
 [![Build Status](https://semaphoreci.com/api/v1/belka-ew/graphql/branches/master/badge.svg)](https://semaphoreci.com/belka-ew/graphql)
+[![License](https://img.shields.io/badge/license-BSD--3--Clause-blue.svg)](https://raw.githubusercontent.com/caraus-ecms/graphql/master/LICENSE)
 
 For now this only provides the data types to represent the GraphQL AST,
 but the idea is to be a Haskell port of
diff --git a/graphql.cabal b/graphql.cabal
index 273080e..00a05b0 100644
--- a/graphql.cabal
+++ b/graphql.cabal
@@ -4,20 +4,21 @@ cabal-version: 1.12
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 2f09ae8e288ccdea02b6f59bec6625b3f8795841f7ccf7cb19d1de428f0f63cb
+-- hash: 3b6e8e64a62fa7a1ef602db8cb6aec07bfb21e81af7c91c939bfa03833879a81
 
 name:           graphql
-version:        0.3
+version:        0.4.0.0
 synopsis:       Haskell GraphQL implementation
 description:    This package provides a rudimentary parser for the <https://facebook.github.io/graphql/ GraphQL> language.
 category:       Web
 homepage:       https://github.com/jdnavarro/graphql-haskell
 bug-reports:    https://github.com/jdnavarro/graphql-haskell/issues
-author:         Danny Navarro,
-                Matthías Páll Gissurarson,
-                Sólrún Halla Einarsdóttir
-maintainer:     j@dannynavarro.net
-copyright:      Copyright (C) 2015-2019 J. Daniel Navarro
+author:         Danny Navarro <j@dannynavarro.net>,
+                Matthías Páll Gissurarson <mpg@mpg.is>,
+                Sólrún Halla Einarsdóttir <she@mpg.is>
+maintainer:     belka@caraus.de
+copyright:      (c) 2019 Eugen Wissner,
+                (c) 2015-2017 J. Daniel Navarro
 license:        BSD3
 license-file:   LICENSE
 build-type:     Simple
diff --git a/package.yaml b/package.yaml
index cb9d56c..a15102c 100644
--- a/package.yaml
+++ b/package.yaml
@@ -1,18 +1,20 @@
 name:                graphql
-version:             0.3
+version:             0.4.0.0
 synopsis:            Haskell GraphQL implementation
 description:
   This package provides a rudimentary parser for the
   <https://facebook.github.io/graphql/ GraphQL> language.
 homepage:            https://github.com/jdnavarro/graphql-haskell
-maintainer:          j@dannynavarro.net
-copyright:           Copyright (C) 2015-2019 J. Daniel Navarro
+maintainer:          belka@caraus.de
+copyright:
+- 2019 Eugen Wissner
+- 2015-2017 J. Daniel Navarro
 category:            Web
-github:              jdnavarro/graphql-haskell
+github:              caraus-ecms/graphql
 author:
-- Danny Navarro
-- Matthías Páll Gissurarson
-- Sólrún Halla Einarsdóttir
+- Danny Navarro <j@dannynavarro.net>
+- Matthías Páll Gissurarson <mpg@mpg.is>
+- Sólrún Halla Einarsdóttir <she@mpg.is>
 
 extra-source-files:
 - CHANGELOG.md