diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -1,5 +1,5 @@
 Copyright (c) 2012 Paolo Capriotti <p.capriotti@gmail.com>
-Copyright (c) 2013-2016 Renzo Carbonara <renzocarbonaraλgmail.com>
+Copyright (c) 2013-2018 Renzo Carbonara <renλren.zone>
 
 All rights reserved.
 
diff --git a/Setup.hs b/Setup.hs
--- a/Setup.hs
+++ b/Setup.hs
@@ -1,2 +1,4 @@
+#! /usr/bin/env nix-shell
+#! nix-shell ./shell.nix -i runghc
 import Distribution.Simple
 main = defaultMain
diff --git a/changelog.md b/changelog.md
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,8 @@
+# Version 0.4.4.2
+
+* Remove upper bound from all dependencies except `base`.
+
+
 # Version 0.4.4.1
 
 * Bump upper bound dependency on `pipes`.
diff --git a/pipes-zlib.cabal b/pipes-zlib.cabal
--- a/pipes-zlib.cabal
+++ b/pipes-zlib.cabal
@@ -1,11 +1,10 @@
 name:               pipes-zlib
-version:            0.4.4.1
+version:            0.4.4.2
 license:            BSD3
 license-file:       LICENSE
-Copyright:          Copyright (c) Paolo Capriotti 2012,
-                                  Renzo Carbonara 2013-2016
+Copyright:          Copyright (c) Paolo Capriotti 2012, Renzo Carbonara 2013-2018
 author:             Renzo Carbonara, Paolo Capriotti
-maintainer:         renzocarbonaraλgmail.com
+maintainer:         renλren.zone
 stability:          Experimental
 homepage:           https://github.com/k0001/pipes-zlib
 bug-reports:        https://github.com/k0001/pipes-zlib/issues
@@ -25,10 +24,10 @@
     exposed-modules: Pipes.Zlib
                      Pipes.GZip
     build-depends:   base >= 4.5 && < 5.0
-                   , transformers >= 0.2 && < 0.6
-                   , pipes >= 4.0 && < 4.3
+                   , transformers >= 0.2
+                   , pipes >= 4.0
                    , bytestring >= 0.9.2.1
-                   , streaming-commons >= 0.1.15 && < 0.2
+                   , streaming-commons >= 0.1.15
     ghc-options: -Wall -O2
     default-language:    Haskell2010