diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# FilePath [![Hackage version](https://img.shields.io/hackage/v/filepath.svg?label=Hackage)](https://hackage.haskell.org/package/filepath) [![Linux Build Status](https://img.shields.io/travis/haskell/filepath.svg?label=Linux%20build)](https://travis-ci.org/haskell/filepath) [![Windows Build Status](https://img.shields.io/appveyor/ci/ndmitchell/filepath.svg?label=Windows%20build)](https://ci.appveyor.com/project/ndmitchell/filepath)
+# FilePath [![Hackage version](https://img.shields.io/hackage/v/filepath.svg?label=Hackage)](https://hackage.haskell.org/package/filepath) [![Linux Build Status](https://img.shields.io/travis/haskell/filepath/master.svg?label=Linux%20build)](https://travis-ci.org/haskell/filepath) [![Windows Build Status](https://img.shields.io/appveyor/ci/ndmitchell/filepath/master.svg?label=Windows%20build)](https://ci.appveyor.com/project/ndmitchell/filepath)
 
 The `filepath` package provides functionality for manipulating `FilePath` values, and is shipped with both [GHC](https://www.haskell.org/ghc/) and the [Haskell Platform](https://www.haskell.org/platform/). It provides three modules:
 
diff --git a/changelog.md b/changelog.md
--- a/changelog.md
+++ b/changelog.md
@@ -2,6 +2,10 @@
 
 _Note: below all `FilePath` values are unquoted, so `\\` really means two backslashes._
 
+## 1.4.2.1 *Jul 2018*
+
+ * Bundled with GHC 8.6.1
+
 ## 1.4.2 *Jan 2018*
 
  * Bundled with GHC 8.4.1
diff --git a/filepath.cabal b/filepath.cabal
--- a/filepath.cabal
+++ b/filepath.cabal
@@ -1,6 +1,6 @@
 cabal-version:  >= 1.18
 name:           filepath
-version:        1.4.2
+version:        1.4.2.1
 -- NOTE: Don't forget to update ./changelog.md
 license:        BSD3
 license-file:   LICENSE
@@ -12,7 +12,7 @@
 category:       System
 build-type:     Simple
 synopsis:       Library for manipulating FilePaths in a cross platform way.
-tested-with:    GHC==8.2.2, GHC==8.0.2, GHC==7.10.3, GHC==7.8.4, GHC==7.6.3, GHC==7.4.2
+tested-with:    GHC==8.4.3, GHC==8.2.2, GHC==8.0.2, GHC==7.10.3, GHC==7.8.4, GHC==7.6.3, GHC==7.4.2
 description:
     This package provides functionality for manipulating @FilePath@ values, and is shipped with both <https://www.haskell.org/ghc/ GHC> and the <https://www.haskell.org/platform/ Haskell Platform>. It provides three modules:
     .
@@ -48,7 +48,7 @@
         System.FilePath.Windows
 
     build-depends:
-        base >= 4 && < 4.12
+        base >= 4 && < 4.13
 
     ghc-options: -Wall