diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+## 0.2.2 *January 4th 2018*
+* Support for GHC-8.4.1-alpha1
+
 ## 0.2.1 *August 15th 2017*
 * Support for GHC-8.2.1
 
diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -1,5 +1,5 @@
 Copyright (c) 2015-2016, University of Twente,
-              2017     , QBayLogic
+              2017-2018, QBayLogic
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
diff --git a/ghc-tcplugins-extra.cabal b/ghc-tcplugins-extra.cabal
--- a/ghc-tcplugins-extra.cabal
+++ b/ghc-tcplugins-extra.cabal
@@ -1,5 +1,5 @@
 name:                ghc-tcplugins-extra
-version:             0.2.1
+version:             0.2.2
 synopsis:            Utilities for writing GHC type-checker plugins
 description:         Utilities for writing GHC type-checker plugins, such as
                      creating constraints, with a stable API covering multiple
@@ -11,12 +11,13 @@
 author:              Christiaan Baaij
 maintainer:          christiaan.baaij@gmail.com
 copyright:           Copyright © 2015-2016, University of Twente,
-                                 2017, QBayLogic
+                                 2017-2018, QBayLogic
 category:            Type System
 build-type:          Simple
 extra-source-files:  README.md
                      CHANGELOG.md
 cabal-version:       >=1.10
+tested-with:         GHC == 7.10.3, GHC == 8.0.2, GHC == 8.2.2, GHC == 8.4.1
 
 source-repository head
   type: git
@@ -31,7 +32,7 @@
 library
   exposed-modules:     GHC.TcPluginM.Extra
   build-depends:       base >=4.8  && <5,
-                       ghc  >=7.10 && <8.4
+                       ghc  >=7.10 && <8.6
   hs-source-dirs:      src
   default-language:    Haskell2010
   other-extensions:    CPP