diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+0.1.3.2 (2019-06-06)
+====================
+
+*   Relax upper bound on `base` to `<5`.
+*   Include GHC-8.6.5 into test-matrix.
+
 0.1.3.1 (2018-03-18)
 ====================
 
diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2017 Lars Kuhtz <lakuhtz@gmail.com>
+Copyright (c) 2017-2019 Lars Kuhtz <lakuhtz@gmail.com>
 
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the
diff --git a/Setup.hs b/Setup.hs
deleted file mode 100644
--- a/Setup.hs
+++ /dev/null
@@ -1,2 +0,0 @@
-import Distribution.Simple
-main = defaultMain
diff --git a/random-bytestring.cabal b/random-bytestring.cabal
--- a/random-bytestring.cabal
+++ b/random-bytestring.cabal
@@ -1,5 +1,5 @@
 Name: random-bytestring
-Version: 0.1.3.1
+Version: 0.1.3.2
 Synopsis: Efficient generation of random bytestrings
 Description:
     Efficient generation of random bytestrings. The implementation
@@ -18,19 +18,25 @@
     applications. They are /not/ suitable for cryptographic
     applications.
     .
-    ![benchmarks](https://hackage.haskell.org/package/random-bytestring-0.1.3.1/src/benchmarks.png)
+    ![benchmarks](https://hackage.haskell.org/package/random-bytestring-0.1.3.2/src/benchmarks.png)
     .
-    ![detailed benchmarks](https://hackage.haskell.org/package/random-bytestring-0.1.3.1/src/benchmarks-details.png)
+    ![detailed benchmarks](https://hackage.haskell.org/package/random-bytestring-0.1.3.2/src/benchmarks-details.png)
 
 Homepage: https://www.github.com/larskuhtz/random-bytestring
 License: MIT
 Author: Lars Kuhtz <lakuhtz@gmail.com>
 Maintainer: Lars Kuhtz <lakuhtz@gmail.com>
-Copyright: Copyright (c) 2017-2018 Lars Kuhtz <lakuhtz@gmail.com>
+Copyright: Copyright (c) 2017-2019 Lars Kuhtz <lakuhtz@gmail.com>
 Category: System
 Build-type: Simple
-Cabal-version: >= 1.18
-Tested-With: GHC == 7.8.4, GHC == 7.10.2, GHC == 8.0.2, GHC == 8.2.2, GHC == 8.4.1
+Cabal-version: 1.18
+Tested-With:
+    GHC == 7.8.4
+    GHC == 7.10.2
+    GHC == 8.0.2
+    GHC == 8.2.2
+    GHC == 8.4.1
+    GHC == 8.6.5
 License-file: LICENSE
 
 extra-doc-files:
@@ -57,7 +63,7 @@
         Data.ByteString.Random.MWC
 
     build-depends:
-        base >= 4.7 && < 4.12,
+        base >= 4.7 && < 5,
         bytestring >= 0.10,
         mwc-random >= 0.13
 
@@ -82,7 +88,7 @@
     build-depends:
         random-bytestring,
         async >= 2.1,
-        base >= 4.7 && < 4.12,
+        base >= 4.7 && < 5,
         bytestring >= 0.10,
         criterion >= 1.1,
         entropy >= 0.3,
@@ -116,7 +122,7 @@
     build-depends:
         random-bytestring,
         async >= 2.1,
-        base >= 4.7 && < 4.12,
+        base >= 4.7 && < 5,
         bytestring >= 0.10,
         criterion >= 1.1,
         entropy >= 0.3,
@@ -150,7 +156,7 @@
     build-depends:
         random-bytestring,
         async >= 2.1,
-        base >= 4.7 && < 4.12,
+        base >= 4.7 && < 5,
         bytestring >= 0.10,
         criterion >= 1.1,
         entropy >= 0.3,