diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,11 @@
 `type-errors-pretty` uses [PVP Versioning][1].
 The changelog is available [on GitHub][2].
 
+## 0.0.1.2 — Aug 2, 2021
+
+* [#20](https://github.com/chshersh/type-errors-pretty/issues/20):
+  Support GHC-9.0.
+
 ## 0.0.1.1 — Apr 18, 2020
 
 * [#10](https://github.com/chshersh/type-errors-pretty/issues/10):
@@ -18,4 +23,4 @@
 * Initially created.
 
 [1]: https://pvp.haskell.org
-[2]: https://github.com/chshersh/type-errors-pretty/releases
+[2]: https://github.com/kowainik/type-errors-pretty/releases
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -2,12 +2,8 @@
 
 ![pretty-bug](https://user-images.githubusercontent.com/4276606/61183911-eda86300-a679-11e9-9b8e-34c129469075.png)
 
-[![GitHub CI](https://github.com/chshersh/type-errors-pretty/workflows/CI/badge.svg)](https://github.com/chshersh/type-errors-pretty/actions)
-[![Build status](https://img.shields.io/travis/com/chshersh/type-errors-pretty/master?logo=travis)](https://travis-ci.com/chshersh/type-errors-pretty)
-[![Windows build status](https://ci.appveyor.com/api/projects/status/github/chshersh/type-errors-pretty?branch=master&svg=true)](https://ci.appveyor.com/project/chshersh/type-errors-pretty)
+[![GitHub CI](https://github.com/kowainik/type-errors-pretty/workflows/CI/badge.svg)](https://github.com/kowainik/type-errors-pretty/actions)
 [![Hackage](https://img.shields.io/hackage/v/type-errors-pretty.svg?logo=haskell)](https://hackage.haskell.org/package/type-errors-pretty)
-[![Stackage Lts](http://stackage.org/package/type-errors-pretty/badge/lts)](http://stackage.org/lts/package/type-errors-pretty)
-[![Stackage Nightly](http://stackage.org/package/type-errors-pretty/badge/nightly)](http://stackage.org/nightly/package/type-errors-pretty)
 [![MPL-2.0 license](https://img.shields.io/badge/license-MPL--2.0-blue.svg)](LICENSE)
 
 
diff --git a/src/Type/Errors/Pretty.hs b/src/Type/Errors/Pretty.hs
--- a/src/Type/Errors/Pretty.hs
+++ b/src/Type/Errors/Pretty.hs
@@ -5,8 +5,10 @@
 
 {- |
 Copyright:  (c) 2019-2020 Dmitrii Kovanikov
+            (c) 2020 Kowainik
 SPDX-License-Identifier: MPL-2.0
 Maintainer: Dmitrii Kovanikov <kovanikov@gmail.com>
+            Kowainik <xrom.xkov@gmail.com>
 
 This module provides type-level functions and operators to make the job of
 writing text of custom type errors easier. The motivation behind using custom
diff --git a/type-errors-pretty.cabal b/type-errors-pretty.cabal
--- a/type-errors-pretty.cabal
+++ b/type-errors-pretty.cabal
@@ -1,17 +1,19 @@
 cabal-version:       2.4
 name:                type-errors-pretty
-version:             0.0.1.1
+version:             0.0.1.2
 synopsis:            Combinators for writing pretty type errors easily
 description:
     This library provides replacements for the @ErrorMessage@ constructors to
     write the text of custom error messages easily.
-homepage:            https://github.com/chshersh/type-errors-pretty
-bug-reports:         https://github.com/chshersh/type-errors-pretty/issues
+homepage:            https://github.com/kowainik/type-errors-pretty
+bug-reports:         https://github.com/kowainik/type-errors-pretty/issues
 license:             MPL-2.0
 license-file:        LICENSE
 author:              Dmitrii Kovanikov
 maintainer:          Dmitrii Kovanikov <kovanikov@gmail.com>
+                     Kowainik <xrom.xkov@gmail.com>
 copyright:           2019-2020 Dmitrii Kovanikov
+                     2020-2021 Kowainik
 category:            Types, Type Errors
 build-type:          Simple
 extra-doc-files:     README.md
@@ -19,15 +21,16 @@
 tested-with:         GHC == 8.2.2
                      GHC == 8.4.4
                      GHC == 8.6.5
-                     GHC == 8.8.3
-                     GHC == 8.10.1
+                     GHC == 8.8.4
+                     GHC == 8.10.5
+                     GHC == 9.0.1
 
 source-repository head
   type:                git
-  location:            https://github.com/chshersh/type-errors-pretty.git
+  location:            https://github.com/kowainik/type-errors-pretty.git
 
 common common-options
-  build-depends:       base >= 4.10.1.0 && < 4.15
+  build-depends:       base >= 4.10.1.0 && < 4.16
 
   ghc-options:         -Wall
                        -Wcompat
@@ -71,7 +74,7 @@
   hs-source-dirs:      test
   main-is:             Doctest.hs
 
-  build-depends:       doctest ^>= 0.16
+  build-depends:       doctest >= 0.16 && < 0.19
                      , Glob
 
   ghc-options:         -threaded