diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2017 Tom Sydney Kerckhove
+Copyright (c) 2016-2020 Tom Sydney Kerckhove
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/doctest/DocTest.hs b/doctest/DocTest.hs
deleted file mode 100644
--- a/doctest/DocTest.hs
+++ /dev/null
@@ -1,4 +0,0 @@
-import Test.DocTest
-
-main :: IO ()
-main = doctest ["-isrc", "src", "-XTypeApplications"]
diff --git a/genvalidity-hspec-hashable.cabal b/genvalidity-hspec-hashable.cabal
--- a/genvalidity-hspec-hashable.cabal
+++ b/genvalidity-hspec-hashable.cabal
@@ -1,22 +1,21 @@
 cabal-version: 1.12
 
--- This file has been generated from package.yaml by hpack version 0.31.1.
+-- This file has been generated from package.yaml by hpack version 0.33.0.
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 5024a40a75559fdf72aaed5387461dabe21dfba61420532bf727c801c3d48e92
+-- hash: 34593a6c38fd857fad7e733cf3be583475d920522e25b35b799568fbd50e7436
 
 name:           genvalidity-hspec-hashable
-version:        0.2.0.4
+version:        0.2.0.5
 synopsis:       Standard spec's for Hashable instances
 description:    Standard spec's for Hashable instances
 category:       Testing
 homepage:       https://github.com/NorfairKing/validity#readme
 bug-reports:    https://github.com/NorfairKing/validity/issues
 author:         Nick Van den Broeck
-maintainer:     syd.kerckhove@gmail.com,
-                nick.van.den.broeck666@gmail.com
-copyright:      2017-2018 Tom Sydney Kerckhove
+maintainer:     syd@cs-syd.eu
+copyright:      2017-2020 Tom Sydney Kerckhove
 license:        MIT
 license-file:   LICENSE
 build-type:     Simple
@@ -45,22 +44,6 @@
     , validity >=0.5
   default-language: Haskell2010
 
-test-suite genvalidity-hspec-hashable-doctests
-  type: exitcode-stdio-1.0
-  main-is: DocTest.hs
-  other-modules:
-      Paths_genvalidity_hspec_hashable
-  hs-source-dirs:
-      doctest
-  ghc-options: -threaded
-  build-depends:
-      QuickCheck
-    , base
-    , doctest
-    , genvalidity-hspec-hashable
-    , hashable >=1.2
-  default-language: Haskell2010
-
 test-suite genvalidity-hspec-hashable-test
   type: exitcode-stdio-1.0
   main-is: Spec.hs
@@ -72,7 +55,7 @@
   ghc-options: -threaded -rtsopts -with-rtsopts=-N -Wall
   build-depends:
       QuickCheck
-    , base
+    , base >=4.9 && <5
     , genvalidity >=0.7
     , genvalidity-hspec
     , genvalidity-hspec-hashable