diff --git a/.gitignore b/.gitignore
index 9145b96..3594704 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,4 @@
 .cabal-sandbox/
 cabal.sandbox.config
 cabal.project.local
+/graphql.cabal
diff --git a/graphql.cabal b/graphql.cabal
deleted file mode 100644
index f164100..0000000
--- a/graphql.cabal
+++ /dev/null
@@ -1,93 +0,0 @@
-cabal-version: 1.12
-
--- This file has been generated from package.yaml by hpack version 0.31.2.
---
--- see: https://github.com/sol/hpack
---
--- hash: 7396988b6b8e966751eaf92b5a8c1cb820f7a3dbbf60736ea46faab4653fb40c
-
-name:           graphql
-version:        0.5.0.1
-synopsis:       Haskell GraphQL implementation
-description:    This package provides a rudimentary parser for the <https://graphql.github.io/graphql-spec/June2018/ GraphQL> language.
-category:       Language
-homepage:       https://github.com/caraus-ecms/graphql#readme
-bug-reports:    https://github.com/caraus-ecms/graphql/issues
-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
-extra-source-files:
-    CHANGELOG.md
-    README.md
-    LICENSE
-    docs/tutorial/tutorial.lhs
-data-files:
-    tests/data/kitchen-sink.graphql
-    tests/data/kitchen-sink.min.graphql
-
-source-repository head
-  type: git
-  location: https://github.com/caraus-ecms/graphql
-
-library
-  exposed-modules:
-      Language.GraphQL
-      Language.GraphQL.AST
-      Language.GraphQL.AST.Core
-      Language.GraphQL.AST.Transform
-      Language.GraphQL.Encoder
-      Language.GraphQL.Error
-      Language.GraphQL.Execute
-      Language.GraphQL.Lexer
-      Language.GraphQL.Parser
-      Language.GraphQL.Schema
-      Language.GraphQL.Trans
-      Language.GraphQL.Type
-  other-modules:
-      Paths_graphql
-  hs-source-dirs:
-      src
-  build-depends:
-      aeson
-    , base >=4.7 && <5
-    , megaparsec
-    , text
-    , transformers
-    , unordered-containers
-  default-language: Haskell2010
-
-test-suite tasty
-  type: exitcode-stdio-1.0
-  main-is: Spec.hs
-  other-modules:
-      Language.GraphQL.EncoderSpec
-      Language.GraphQL.ErrorSpec
-      Language.GraphQL.LexerSpec
-      Language.GraphQL.ParserSpec
-      Test.FragmentSpec
-      Test.KitchenSinkSpec
-      Test.StarWars.Data
-      Test.StarWars.QuerySpec
-      Test.StarWars.Schema
-      Paths_graphql
-  hs-source-dirs:
-      tests
-  ghc-options: -threaded -rtsopts -with-rtsopts=-N
-  build-depends:
-      aeson
-    , base >=4.7 && <5
-    , graphql
-    , hspec
-    , hspec-expectations
-    , hspec-megaparsec
-    , megaparsec
-    , raw-strings-qq
-    , text
-    , transformers
-  default-language: Haskell2010
diff --git a/stack.yaml b/stack.yaml
index b34cbfa..347682e 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -1,6 +1,9 @@
 resolver: lts-14.7
+
 packages:
 - '.'
+
 extra-deps: []
 flags: {}
-extra-package-dbs: []
+
+pvp-bounds: both